diff --git a/clippy.toml b/clippy.toml
index 302f26e0..13d3926a 100644
--- a/clippy.toml
+++ b/clippy.toml
@@ -1,4 +1,4 @@
-avoid-breaking-exported-api = true
+avoid-breaking-exported-api = false
 cognitive-complexity-threshold = 50
 too-many-arguments-threshold = 10
 type-complexity-threshold = 500
\ No newline at end of file
diff --git a/lib/oxsdatatypes/src/boolean.rs b/lib/oxsdatatypes/src/boolean.rs
index fd213a90..7ce5d977 100644
--- a/lib/oxsdatatypes/src/boolean.rs
+++ b/lib/oxsdatatypes/src/boolean.rs
@@ -14,7 +14,7 @@ pub struct Boolean {
 impl Boolean {
     /// Checks if the two values are [identical](https://www.w3.org/TR/xmlschema11-2/#identity).
     #[inline]
-    pub fn is_identical_with(&self, other: &Self) -> bool {
+    pub fn is_identical_with(self, other: Self) -> bool {
         self == other
     }
 }
diff --git a/lib/oxsdatatypes/src/date_time.rs b/lib/oxsdatatypes/src/date_time.rs
index b5763220..8d005a46 100644
--- a/lib/oxsdatatypes/src/date_time.rs
+++ b/lib/oxsdatatypes/src/date_time.rs
@@ -60,53 +60,53 @@ impl DateTime {
 
     /// [fn:year-from-dateTime](https://www.w3.org/TR/xpath-functions-31/#func-year-from-dateTime)
     #[inline]
-    pub fn year(&self) -> i64 {
+    pub fn year(self) -> i64 {
         self.timestamp.year()
     }
 
     /// [fn:month-from-dateTime](https://www.w3.org/TR/xpath-functions-31/#func-month-from-dateTime)
     #[inline]
-    pub fn month(&self) -> u8 {
+    pub fn month(self) -> u8 {
         self.timestamp.month()
     }
 
     /// [fn:day-from-dateTime](https://www.w3.org/TR/xpath-functions-31/#func-day-from-dateTime)
     #[inline]
-    pub fn day(&self) -> u8 {
+    pub fn day(self) -> u8 {
         self.timestamp.day()
     }
 
     /// [fn:hour-from-dateTime](https://www.w3.org/TR/xpath-functions-31/#func-hours-from-dateTime)
     #[inline]
-    pub fn hour(&self) -> u8 {
+    pub fn hour(self) -> u8 {
         self.timestamp.hour()
     }
 
     /// [fn:minute-from-dateTime](https://www.w3.org/TR/xpath-functions-31/#func-minutes-from-dateTime)
     #[inline]
-    pub fn minute(&self) -> u8 {
+    pub fn minute(self) -> u8 {
         self.timestamp.minute()
     }
 
     /// [fn:second-from-dateTime](https://www.w3.org/TR/xpath-functions-31/#func-seconds-from-dateTime)
     #[inline]
-    pub fn second(&self) -> Decimal {
+    pub fn second(self) -> Decimal {
         self.timestamp.second()
     }
 
     /// [fn:timezone-from-dateTime](https://www.w3.org/TR/xpath-functions-31/#func-timezone-from-dateTime)
     #[inline]
-    pub fn timezone(&self) -> Option<DayTimeDuration> {
+    pub fn timezone(self) -> Option<DayTimeDuration> {
         Some(self.timezone_offset()?.into())
     }
 
     #[inline]
-    pub fn timezone_offset(&self) -> Option<TimezoneOffset> {
+    pub fn timezone_offset(self) -> Option<TimezoneOffset> {
         self.timestamp.timezone_offset()
     }
 
     #[inline]
-    fn properties(&self) -> DateTimeSevenPropertyModel {
+    fn properties(self) -> DateTimeSevenPropertyModel {
         DateTimeSevenPropertyModel {
             year: Some(self.year()),
             month: Some(self.month()),
@@ -125,14 +125,14 @@ impl DateTime {
 
     /// [op:subtract-dateTimes](https://www.w3.org/TR/xpath-functions-31/#func-subtract-dateTimes)
     #[inline]
-    pub fn checked_sub(&self, rhs: impl Into<Self>) -> Option<DayTimeDuration> {
+    pub fn checked_sub(self, rhs: impl Into<Self>) -> Option<DayTimeDuration> {
         self.timestamp.checked_sub(rhs.into().timestamp)
     }
 
     /// [op:add-yearMonthDuration-to-dateTime](https://www.w3.org/TR/xpath-functions-31/#func-add-yearMonthDuration-to-dateTime)
     #[inline]
     pub fn checked_add_year_month_duration(
-        &self,
+        self,
         rhs: impl Into<YearMonthDuration>,
     ) -> Option<Self> {
         self.checked_add_duration(Duration::from(rhs.into()))
@@ -140,7 +140,7 @@ impl DateTime {
 
     /// [op:add-dayTimeDuration-to-dateTime](https://www.w3.org/TR/xpath-functions-31/#func-add-dayTimeDuration-to-dateTime)
     #[inline]
-    pub fn checked_add_day_time_duration(&self, rhs: impl Into<Duration>) -> Option<Self> {
+    pub fn checked_add_day_time_duration(self, rhs: impl Into<Duration>) -> Option<Self> {
         let rhs = rhs.into();
         Some(Self {
             timestamp: self.timestamp.checked_add_seconds(rhs.all_seconds())?,
@@ -149,7 +149,7 @@ impl DateTime {
 
     /// [op:add-yearMonthDuration-to-dateTime](https://www.w3.org/TR/xpath-functions-31/#func-add-yearMonthDuration-to-dateTime) and [op:add-dayTimeDuration-to-dateTime](https://www.w3.org/TR/xpath-functions-31/#func-add-dayTimeDuration-to-dateTime)
     #[inline]
-    pub fn checked_add_duration(&self, rhs: impl Into<Duration>) -> Option<Self> {
+    pub fn checked_add_duration(self, rhs: impl Into<Duration>) -> Option<Self> {
         let rhs = rhs.into();
         if let Ok(rhs) = DayTimeDuration::try_from(rhs) {
             self.checked_add_day_time_duration(rhs)
@@ -164,7 +164,7 @@ impl DateTime {
     /// [op:subtract-yearMonthDuration-from-dateTime](https://www.w3.org/TR/xpath-functions-31/#func-subtract-yearMonthDuration-from-dateTime)
     #[inline]
     pub fn checked_sub_year_month_duration(
-        &self,
+        self,
         rhs: impl Into<YearMonthDuration>,
     ) -> Option<Self> {
         self.checked_sub_duration(Duration::from(rhs.into()))
@@ -172,7 +172,7 @@ impl DateTime {
 
     /// [op:subtract-dayTimeDuration-from-dateTime](https://www.w3.org/TR/xpath-functions-31/#func-subtract-dayTimeDuration-from-dateTime)
     #[inline]
-    pub fn checked_sub_day_time_duration(&self, rhs: impl Into<DayTimeDuration>) -> Option<Self> {
+    pub fn checked_sub_day_time_duration(self, rhs: impl Into<DayTimeDuration>) -> Option<Self> {
         let rhs = rhs.into();
         Some(Self {
             timestamp: self.timestamp.checked_sub_seconds(rhs.all_seconds())?,
@@ -181,7 +181,7 @@ impl DateTime {
 
     /// [op:subtract-yearMonthDuration-from-dateTime](https://www.w3.org/TR/xpath-functions-31/#func-subtract-yearMonthDuration-from-dateTime) and [op:subtract-dayTimeDuration-from-dateTime](https://www.w3.org/TR/xpath-functions-31/#func-subtract-dayTimeDuration-from-dateTime)
     #[inline]
-    pub fn checked_sub_duration(&self, rhs: impl Into<Duration>) -> Option<Self> {
+    pub fn checked_sub_duration(self, rhs: impl Into<Duration>) -> Option<Self> {
         let rhs = rhs.into();
         if let Ok(rhs) = DayTimeDuration::try_from(rhs) {
             self.checked_sub_day_time_duration(rhs)
@@ -198,7 +198,7 @@ impl DateTime {
 
     /// [fn:adjust-dateTime-to-timezone](https://www.w3.org/TR/xpath-functions-31/#func-adjust-dateTime-to-timezone)
     #[inline]
-    pub fn adjust(&self, timezone_offset: Option<TimezoneOffset>) -> Option<Self> {
+    pub fn adjust(self, timezone_offset: Option<TimezoneOffset>) -> Option<Self> {
         Some(Self {
             timestamp: self.timestamp.adjust(timezone_offset)?,
         })
@@ -206,8 +206,8 @@ impl DateTime {
 
     /// Checks if the two values are [identical](https://www.w3.org/TR/xmlschema11-2/#identity).
     #[inline]
-    pub fn is_identical_with(&self, other: &Self) -> bool {
-        self.timestamp.is_identical_with(&other.timestamp)
+    pub fn is_identical_with(self, other: Self) -> bool {
+        self.timestamp.is_identical_with(other.timestamp)
     }
 }
 
@@ -314,30 +314,30 @@ impl Time {
 
     /// [fn:hour-from-time](https://www.w3.org/TR/xpath-functions-31/#func-hours-from-time)
     #[inline]
-    pub fn hour(&self) -> u8 {
+    pub fn hour(self) -> u8 {
         self.timestamp.hour()
     }
 
     /// [fn:minute-from-time](https://www.w3.org/TR/xpath-functions-31/#func-minutes-from-time)
     #[inline]
-    pub fn minute(&self) -> u8 {
+    pub fn minute(self) -> u8 {
         self.timestamp.minute()
     }
 
     /// [fn:second-from-time](https://www.w3.org/TR/xpath-functions-31/#func-seconds-from-time)
     #[inline]
-    pub fn second(&self) -> Decimal {
+    pub fn second(self) -> Decimal {
         self.timestamp.second()
     }
 
     /// [fn:timezone-from-time](https://www.w3.org/TR/xpath-functions-31/#func-timezone-from-time)
     #[inline]
-    pub fn timezone(&self) -> Option<DayTimeDuration> {
+    pub fn timezone(self) -> Option<DayTimeDuration> {
         Some(self.timezone_offset()?.into())
     }
 
     #[inline]
-    pub fn timezone_offset(&self) -> Option<TimezoneOffset> {
+    pub fn timezone_offset(self) -> Option<TimezoneOffset> {
         self.timestamp.timezone_offset()
     }
 
@@ -348,19 +348,19 @@ impl Time {
 
     /// [op:subtract-times](https://www.w3.org/TR/xpath-functions-31/#func-subtract-times)
     #[inline]
-    pub fn checked_sub(&self, rhs: impl Into<Self>) -> Option<DayTimeDuration> {
+    pub fn checked_sub(self, rhs: impl Into<Self>) -> Option<DayTimeDuration> {
         self.timestamp.checked_sub(rhs.into().timestamp)
     }
 
     /// [op:add-dayTimeDuration-to-time](https://www.w3.org/TR/xpath-functions-31/#func-add-dayTimeDuration-to-time)
     #[inline]
-    pub fn checked_add_day_time_duration(&self, rhs: impl Into<DayTimeDuration>) -> Option<Self> {
+    pub fn checked_add_day_time_duration(self, rhs: impl Into<DayTimeDuration>) -> Option<Self> {
         self.checked_add_duration(Duration::from(rhs.into()))
     }
 
     /// [op:add-dayTimeDuration-to-time](https://www.w3.org/TR/xpath-functions-31/#func-add-dayTimeDuration-to-time)
     #[inline]
-    pub fn checked_add_duration(&self, rhs: impl Into<Duration>) -> Option<Self> {
+    pub fn checked_add_duration(self, rhs: impl Into<Duration>) -> Option<Self> {
         DateTime::new(
             1972,
             12,
@@ -378,13 +378,13 @@ impl Time {
 
     /// [op:subtract-dayTimeDuration-from-time](https://www.w3.org/TR/xpath-functions-31/#func-subtract-dayTimeDuration-from-time)
     #[inline]
-    pub fn checked_sub_day_time_duration(&self, rhs: impl Into<DayTimeDuration>) -> Option<Self> {
+    pub fn checked_sub_day_time_duration(self, rhs: impl Into<DayTimeDuration>) -> Option<Self> {
         self.checked_sub_duration(Duration::from(rhs.into()))
     }
 
     /// [op:subtract-dayTimeDuration-from-time](https://www.w3.org/TR/xpath-functions-31/#func-subtract-dayTimeDuration-from-time)
     #[inline]
-    pub fn checked_sub_duration(&self, rhs: impl Into<Duration>) -> Option<Self> {
+    pub fn checked_sub_duration(self, rhs: impl Into<Duration>) -> Option<Self> {
         DateTime::new(
             1972,
             12,
@@ -402,7 +402,7 @@ impl Time {
 
     // [fn:adjust-time-to-timezone](https://www.w3.org/TR/xpath-functions-31/#func-adjust-time-to-timezone)
     #[inline]
-    pub fn adjust(&self, timezone_offset: Option<TimezoneOffset>) -> Option<Self> {
+    pub fn adjust(self, timezone_offset: Option<TimezoneOffset>) -> Option<Self> {
         DateTime::new(
             1972,
             12,
@@ -420,8 +420,8 @@ impl Time {
 
     /// Checks if the two values are [identical](https://www.w3.org/TR/xmlschema11-2/#identity).
     #[inline]
-    pub fn is_identical_with(&self, other: &Self) -> bool {
-        self.timestamp.is_identical_with(&other.timestamp)
+    pub fn is_identical_with(self, other: Self) -> bool {
+        self.timestamp.is_identical_with(other.timestamp)
     }
 }
 
@@ -515,30 +515,30 @@ impl Date {
 
     /// [fn:year-from-date](https://www.w3.org/TR/xpath-functions-31/#func-year-from-date)
     #[inline]
-    pub fn year(&self) -> i64 {
+    pub fn year(self) -> i64 {
         self.timestamp.year()
     }
 
     /// [fn:month-from-date](https://www.w3.org/TR/xpath-functions-31/#func-month-from-date)
     #[inline]
-    pub fn month(&self) -> u8 {
+    pub fn month(self) -> u8 {
         self.timestamp.month()
     }
 
     /// [fn:day-from-date](https://www.w3.org/TR/xpath-functions-31/#func-day-from-date)
     #[inline]
-    pub fn day(&self) -> u8 {
+    pub fn day(self) -> u8 {
         self.timestamp.day()
     }
 
     /// [fn:timezone-from-date](https://www.w3.org/TR/xpath-functions-31/#func-timezone-from-date)
     #[inline]
-    pub fn timezone(&self) -> Option<DayTimeDuration> {
+    pub fn timezone(self) -> Option<DayTimeDuration> {
         Some(self.timezone_offset()?.into())
     }
 
     #[inline]
-    pub fn timezone_offset(&self) -> Option<TimezoneOffset> {
+    pub fn timezone_offset(self) -> Option<TimezoneOffset> {
         self.timestamp.timezone_offset()
     }
 
@@ -549,14 +549,14 @@ impl Date {
 
     /// [op:subtract-dates](https://www.w3.org/TR/xpath-functions-31/#func-subtract-dates)
     #[inline]
-    pub fn checked_sub(&self, rhs: impl Into<Self>) -> Option<DayTimeDuration> {
+    pub fn checked_sub(self, rhs: impl Into<Self>) -> Option<DayTimeDuration> {
         self.timestamp.checked_sub(rhs.into().timestamp)
     }
 
     /// [op:add-yearMonthDuration-to-date](https://www.w3.org/TR/xpath-functions-31/#func-add-yearMonthDuration-to-date)
     #[inline]
     pub fn checked_add_year_month_duration(
-        &self,
+        self,
         rhs: impl Into<YearMonthDuration>,
     ) -> Option<Self> {
         self.checked_add_duration(Duration::from(rhs.into()))
@@ -564,14 +564,14 @@ impl Date {
 
     /// [op:add-dayTimeDuration-to-dateTime](https://www.w3.org/TR/xpath-functions-31/#func-add-dayTimeDuration-to-date)
     #[inline]
-    pub fn checked_add_day_time_duration(&self, rhs: impl Into<DayTimeDuration>) -> Option<Self> {
+    pub fn checked_add_day_time_duration(self, rhs: impl Into<DayTimeDuration>) -> Option<Self> {
         self.checked_add_duration(Duration::from(rhs.into()))
     }
 
     /// [op:add-yearMonthDuration-to-date](https://www.w3.org/TR/xpath-functions-31/#func-add-yearMonthDuration-to-date) and [op:add-dayTimeDuration-to-dateTime](https://www.w3.org/TR/xpath-functions-31/#func-add-dayTimeDuration-to-date)
     #[inline]
-    pub fn checked_add_duration(&self, rhs: impl Into<Duration>) -> Option<Self> {
-        DateTime::try_from(*self)
+    pub fn checked_add_duration(self, rhs: impl Into<Duration>) -> Option<Self> {
+        DateTime::try_from(self)
             .ok()?
             .checked_add_duration(rhs)?
             .try_into()
@@ -581,7 +581,7 @@ impl Date {
     /// [op:subtract-yearMonthDuration-from-date](https://www.w3.org/TR/xpath-functions-31/#func-subtract-yearMonthDuration-from-date)
     #[inline]
     pub fn checked_sub_year_month_duration(
-        &self,
+        self,
         rhs: impl Into<YearMonthDuration>,
     ) -> Option<Self> {
         self.checked_sub_duration(Duration::from(rhs.into()))
@@ -589,14 +589,14 @@ impl Date {
 
     /// [op:subtract-dayTimeDuration-from-date](https://www.w3.org/TR/xpath-functions-31/#func-subtract-dayTimeDuration-from-date)
     #[inline]
-    pub fn checked_sub_day_time_duration(&self, rhs: impl Into<DayTimeDuration>) -> Option<Self> {
+    pub fn checked_sub_day_time_duration(self, rhs: impl Into<DayTimeDuration>) -> Option<Self> {
         self.checked_sub_duration(Duration::from(rhs.into()))
     }
 
     /// [op:subtract-yearMonthDuration-from-date](https://www.w3.org/TR/xpath-functions-31/#func-subtract-yearMonthDuration-from-date) and [op:subtract-dayTimeDuration-from-date](https://www.w3.org/TR/xpath-functions-31/#func-subtract-dayTimeDuration-from-date)
     #[inline]
-    pub fn checked_sub_duration(&self, rhs: impl Into<Duration>) -> Option<Self> {
-        DateTime::try_from(*self)
+    pub fn checked_sub_duration(self, rhs: impl Into<Duration>) -> Option<Self> {
+        DateTime::try_from(self)
             .ok()?
             .checked_sub_duration(rhs)?
             .try_into()
@@ -605,7 +605,7 @@ impl Date {
 
     // [fn:adjust-date-to-timezone](https://www.w3.org/TR/xpath-functions-31/#func-adjust-date-to-timezone)
     #[inline]
-    pub fn adjust(&self, timezone_offset: Option<TimezoneOffset>) -> Option<Self> {
+    pub fn adjust(self, timezone_offset: Option<TimezoneOffset>) -> Option<Self> {
         DateTime::new(
             self.year(),
             self.month(),
@@ -623,8 +623,8 @@ impl Date {
 
     /// Checks if the two values are [identical](https://www.w3.org/TR/xmlschema11-2/#identity).
     #[inline]
-    pub fn is_identical_with(&self, other: &Self) -> bool {
-        self.timestamp.is_identical_with(&other.timestamp)
+    pub fn is_identical_with(self, other: Self) -> bool {
+        self.timestamp.is_identical_with(other.timestamp)
     }
 }
 
@@ -703,27 +703,27 @@ impl GYearMonth {
     }
 
     #[inline]
-    pub fn year(&self) -> i64 {
+    pub fn year(self) -> i64 {
         self.timestamp.year()
     }
 
     #[inline]
-    pub fn month(&self) -> u8 {
+    pub fn month(self) -> u8 {
         self.timestamp.month()
     }
 
     #[inline]
-    pub fn timezone(&self) -> Option<DayTimeDuration> {
+    pub fn timezone(self) -> Option<DayTimeDuration> {
         Some(self.timezone_offset()?.into())
     }
 
     #[inline]
-    pub fn timezone_offset(&self) -> Option<TimezoneOffset> {
+    pub fn timezone_offset(self) -> Option<TimezoneOffset> {
         self.timestamp.timezone_offset()
     }
 
     #[inline]
-    pub fn adjust(&self, timezone_offset: Option<TimezoneOffset>) -> Option<Self> {
+    pub fn adjust(self, timezone_offset: Option<TimezoneOffset>) -> Option<Self> {
         Some(Self {
             timestamp: self.timestamp.adjust(timezone_offset)?,
         })
@@ -736,8 +736,8 @@ impl GYearMonth {
 
     /// Checks if the two values are [identical](https://www.w3.org/TR/xmlschema11-2/#identity).
     #[inline]
-    pub fn is_identical_with(&self, other: &Self) -> bool {
-        self.timestamp.is_identical_with(&other.timestamp)
+    pub fn is_identical_with(self, other: Self) -> bool {
+        self.timestamp.is_identical_with(other.timestamp)
     }
 }
 
@@ -824,22 +824,22 @@ impl GYear {
     }
 
     #[inline]
-    pub fn year(&self) -> i64 {
+    pub fn year(self) -> i64 {
         self.timestamp.year()
     }
 
     #[inline]
-    pub fn timezone(&self) -> Option<DayTimeDuration> {
+    pub fn timezone(self) -> Option<DayTimeDuration> {
         Some(self.timezone_offset()?.into())
     }
 
     #[inline]
-    pub fn timezone_offset(&self) -> Option<TimezoneOffset> {
+    pub fn timezone_offset(self) -> Option<TimezoneOffset> {
         self.timestamp.timezone_offset()
     }
 
     #[inline]
-    pub fn adjust(&self, timezone_offset: Option<TimezoneOffset>) -> Option<Self> {
+    pub fn adjust(self, timezone_offset: Option<TimezoneOffset>) -> Option<Self> {
         Some(Self {
             timestamp: self.timestamp.adjust(timezone_offset)?,
         })
@@ -852,8 +852,8 @@ impl GYear {
 
     /// Checks if the two values are [identical](https://www.w3.org/TR/xmlschema11-2/#identity).
     #[inline]
-    pub fn is_identical_with(&self, other: &Self) -> bool {
-        self.timestamp.is_identical_with(&other.timestamp)
+    pub fn is_identical_with(self, other: Self) -> bool {
+        self.timestamp.is_identical_with(other.timestamp)
     }
 }
 
@@ -979,8 +979,8 @@ impl GMonthDay {
 
     /// Checks if the two values are [identical](https://www.w3.org/TR/xmlschema11-2/#identity).
     #[inline]
-    pub fn is_identical_with(&self, other: &Self) -> bool {
-        self.timestamp.is_identical_with(&other.timestamp)
+    pub fn is_identical_with(self, other: Self) -> bool {
+        self.timestamp.is_identical_with(other.timestamp)
     }
 }
 
@@ -1091,8 +1091,8 @@ impl GMonth {
 
     /// Checks if the two values are [identical](https://www.w3.org/TR/xmlschema11-2/#identity).
     #[inline]
-    pub fn is_identical_with(&self, other: &Self) -> bool {
-        self.timestamp.is_identical_with(&other.timestamp)
+    pub fn is_identical_with(self, other: Self) -> bool {
+        self.timestamp.is_identical_with(other.timestamp)
     }
 }
 
@@ -1217,8 +1217,8 @@ impl GDay {
 
     /// Checks if the two values are [identical](https://www.w3.org/TR/xmlschema11-2/#identity).
     #[inline]
-    pub fn is_identical_with(&self, other: &Self) -> bool {
-        self.timestamp.is_identical_with(&other.timestamp)
+    pub fn is_identical_with(self, other: Self) -> bool {
+        self.timestamp.is_identical_with(other.timestamp)
     }
 }
 
@@ -1650,7 +1650,7 @@ impl Timestamp {
 
     /// Checks if the two values are [identical](https://www.w3.org/TR/xmlschema11-2/#identity).
     #[inline]
-    pub fn is_identical_with(&self, other: &Self) -> bool {
+    pub fn is_identical_with(self, other: Self) -> bool {
         self.value == other.value && self.timezone_offset == other.timezone_offset
     }
 }
diff --git a/lib/oxsdatatypes/src/decimal.rs b/lib/oxsdatatypes/src/decimal.rs
index 19d93fed..0fd4d3db 100644
--- a/lib/oxsdatatypes/src/decimal.rs
+++ b/lib/oxsdatatypes/src/decimal.rs
@@ -47,7 +47,7 @@ impl Decimal {
 
     /// [op:numeric-add](https://www.w3.org/TR/xpath-functions-31/#func-numeric-add)
     #[inline]
-    pub fn checked_add(&self, rhs: impl Into<Self>) -> Option<Self> {
+    pub fn checked_add(self, rhs: impl Into<Self>) -> Option<Self> {
         Some(Self {
             value: self.value.checked_add(rhs.into().value)?,
         })
@@ -55,7 +55,7 @@ impl Decimal {
 
     /// [op:numeric-subtract](https://www.w3.org/TR/xpath-functions-31/#func-numeric-subtract)
     #[inline]
-    pub fn checked_sub(&self, rhs: impl Into<Self>) -> Option<Self> {
+    pub fn checked_sub(self, rhs: impl Into<Self>) -> Option<Self> {
         Some(Self {
             value: self.value.checked_sub(rhs.into().value)?,
         })
@@ -63,7 +63,7 @@ impl Decimal {
 
     /// [op:numeric-multiply](https://www.w3.org/TR/xpath-functions-31/#func-numeric-multiply)
     #[inline]
-    pub fn checked_mul(&self, rhs: impl Into<Self>) -> Option<Self> {
+    pub fn checked_mul(self, rhs: impl Into<Self>) -> Option<Self> {
         // Idea: we shift right as much as possible to keep as much precision as possible
         // Do the multiplication and do the required left shift
         let mut left = self.value;
@@ -95,7 +95,7 @@ impl Decimal {
 
     /// [op:numeric-divide](https://www.w3.org/TR/xpath-functions-31/#func-numeric-divide)
     #[inline]
-    pub fn checked_div(&self, rhs: impl Into<Self>) -> Option<Self> {
+    pub fn checked_div(self, rhs: impl Into<Self>) -> Option<Self> {
         // Idea: we shift the dividend left as much as possible to keep as much precision as possible
         // And we shift right the divisor as much as possible
         // Do the multiplication and do the required shift
@@ -128,14 +128,14 @@ impl Decimal {
 
     /// [op:numeric-mod](https://www.w3.org/TR/xpath-functions-31/#func-numeric-mod)
     #[inline]
-    pub fn checked_rem(&self, rhs: impl Into<Self>) -> Option<Self> {
+    pub fn checked_rem(self, rhs: impl Into<Self>) -> Option<Self> {
         Some(Self {
             value: self.value.checked_rem(rhs.into().value)?,
         })
     }
 
     #[inline]
-    pub fn checked_rem_euclid(&self, rhs: impl Into<Self>) -> Option<Self> {
+    pub fn checked_rem_euclid(self, rhs: impl Into<Self>) -> Option<Self> {
         Some(Self {
             value: self.value.checked_rem_euclid(rhs.into().value)?,
         })
@@ -143,7 +143,7 @@ impl Decimal {
 
     /// [op:numeric-unary-minus](https://www.w3.org/TR/xpath-functions-31/#func-numeric-unary-minus)
     #[inline]
-    pub fn checked_neg(&self) -> Option<Self> {
+    pub fn checked_neg(self) -> Option<Self> {
         Some(Self {
             value: self.value.checked_neg()?,
         })
@@ -151,7 +151,7 @@ impl Decimal {
 
     /// [fn:abs](https://www.w3.org/TR/xpath-functions-31/#func-abs)
     #[inline]
-    pub const fn abs(&self) -> Self {
+    pub const fn abs(self) -> Self {
         Self {
             value: self.value.abs(),
         }
@@ -159,7 +159,7 @@ impl Decimal {
 
     /// [fn:round](https://www.w3.org/TR/xpath-functions-31/#func-round)
     #[inline]
-    pub fn round(&self) -> Self {
+    pub fn round(self) -> Self {
         let value = self.value / DECIMAL_PART_POW_MINUS_ONE;
         Self {
             value: if value >= 0 {
@@ -172,7 +172,7 @@ impl Decimal {
 
     /// [fn:ceiling](https://www.w3.org/TR/xpath-functions-31/#func-ceiling)
     #[inline]
-    pub fn ceil(&self) -> Self {
+    pub fn ceil(self) -> Self {
         Self {
             value: if self.value >= 0 && self.value % DECIMAL_PART_POW != 0 {
                 (self.value / DECIMAL_PART_POW + 1) * DECIMAL_PART_POW
@@ -184,7 +184,7 @@ impl Decimal {
 
     /// [fn:floor](https://www.w3.org/TR/xpath-functions-31/#func-floor)
     #[inline]
-    pub fn floor(&self) -> Self {
+    pub fn floor(self) -> Self {
         Self {
             value: if self.value >= 0 || self.value % DECIMAL_PART_POW == 0 {
                 (self.value / DECIMAL_PART_POW) * DECIMAL_PART_POW
@@ -195,23 +195,23 @@ impl Decimal {
     }
 
     #[inline]
-    pub const fn is_negative(&self) -> bool {
+    pub const fn is_negative(self) -> bool {
         self.value < 0
     }
 
     #[inline]
-    pub const fn is_positive(&self) -> bool {
+    pub const fn is_positive(self) -> bool {
         self.value > 0
     }
 
     /// Checks if the two values are [identical](https://www.w3.org/TR/xmlschema11-2/#identity).
     #[inline]
-    pub fn is_identical_with(&self, other: &Self) -> bool {
+    pub fn is_identical_with(self, other: Self) -> bool {
         self == other
     }
 
     #[inline]
-    pub(super) const fn as_i128(&self) -> i128 {
+    pub(super) const fn as_i128(self) -> i128 {
         self.value / DECIMAL_PART_POW
     }
 
diff --git a/lib/oxsdatatypes/src/double.rs b/lib/oxsdatatypes/src/double.rs
index b1465c9e..64d3c786 100644
--- a/lib/oxsdatatypes/src/double.rs
+++ b/lib/oxsdatatypes/src/double.rs
@@ -71,7 +71,7 @@ impl Double {
 
     /// Checks if the two values are [identical](https://www.w3.org/TR/xmlschema11-2/#identity).
     #[inline]
-    pub fn is_identical_with(&self, other: &Self) -> bool {
+    pub fn is_identical_with(self, other: Self) -> bool {
         self.value.to_ne_bytes() == other.value.to_ne_bytes()
     }
 
@@ -291,9 +291,9 @@ mod tests {
 
     #[test]
     fn is_identical_with() {
-        assert!(Double::from(0.).is_identical_with(&Double::from(0.)));
-        assert!(Double::NAN.is_identical_with(&Double::NAN));
-        assert!(!Double::from(-0.).is_identical_with(&Double::from(0.)));
+        assert!(Double::from(0.).is_identical_with(Double::from(0.)));
+        assert!(Double::NAN.is_identical_with(Double::NAN));
+        assert!(!Double::from(-0.).is_identical_with(Double::from(0.)));
     }
 
     #[test]
diff --git a/lib/oxsdatatypes/src/duration.rs b/lib/oxsdatatypes/src/duration.rs
index 96faec7b..14ea6aac 100644
--- a/lib/oxsdatatypes/src/duration.rs
+++ b/lib/oxsdatatypes/src/duration.rs
@@ -35,47 +35,47 @@ impl Duration {
 
     /// [fn:years-from-duration](https://www.w3.org/TR/xpath-functions-31/#func-years-from-duration)
     #[inline]
-    pub fn years(&self) -> i64 {
+    pub fn years(self) -> i64 {
         self.year_month.years()
     }
 
     /// [fn:months-from-duration](https://www.w3.org/TR/xpath-functions-31/#func-months-from-duration)
     #[inline]
-    pub fn months(&self) -> i64 {
+    pub fn months(self) -> i64 {
         self.year_month.months()
     }
 
     /// [fn:days-from-duration](https://www.w3.org/TR/xpath-functions-31/#func-days-from-duration)
     #[inline]
-    pub fn days(&self) -> i64 {
+    pub fn days(self) -> i64 {
         self.day_time.days()
     }
 
     /// [fn:hours-from-duration](https://www.w3.org/TR/xpath-functions-31/#func-hours-from-duration)
     #[inline]
-    pub fn hours(&self) -> i64 {
+    pub fn hours(self) -> i64 {
         self.day_time.hours()
     }
 
     /// [fn:minutes-from-duration](https://www.w3.org/TR/xpath-functions-31/#func-minutes-from-duration)
     #[inline]
-    pub fn minutes(&self) -> i64 {
+    pub fn minutes(self) -> i64 {
         self.day_time.minutes()
     }
 
     /// [fn:seconds-from-duration](https://www.w3.org/TR/xpath-functions-31/#func-seconds-from-duration)
     #[inline]
-    pub fn seconds(&self) -> Decimal {
+    pub fn seconds(self) -> Decimal {
         self.day_time.seconds()
     }
 
     #[inline]
-    pub(super) const fn all_months(&self) -> i64 {
+    pub(super) const fn all_months(self) -> i64 {
         self.year_month.all_months()
     }
 
     #[inline]
-    pub(super) const fn all_seconds(&self) -> Decimal {
+    pub(super) const fn all_seconds(self) -> Decimal {
         self.day_time.all_seconds()
     }
 
@@ -89,7 +89,7 @@ impl Duration {
 
     /// [op:add-yearMonthDurations](https://www.w3.org/TR/xpath-functions-31/#func-add-yearMonthDurations) and [op:add-dayTimeDurations](https://www.w3.org/TR/xpath-functions-31/#func-add-dayTimeDurations)
     #[inline]
-    pub fn checked_add(&self, rhs: impl Into<Self>) -> Option<Self> {
+    pub fn checked_add(self, rhs: impl Into<Self>) -> Option<Self> {
         let rhs = rhs.into();
         Some(Self {
             year_month: self.year_month.checked_add(rhs.year_month)?,
@@ -99,7 +99,7 @@ impl Duration {
 
     /// [op:subtract-yearMonthDurations](https://www.w3.org/TR/xpath-functions-31/#func-subtract-yearMonthDurations) and [op:subtract-dayTimeDurations](https://www.w3.org/TR/xpath-functions-31/#func-subtract-dayTimeDurations)
     #[inline]
-    pub fn checked_sub(&self, rhs: impl Into<Self>) -> Option<Self> {
+    pub fn checked_sub(self, rhs: impl Into<Self>) -> Option<Self> {
         let rhs = rhs.into();
         Some(Self {
             year_month: self.year_month.checked_sub(rhs.year_month)?,
@@ -108,7 +108,7 @@ impl Duration {
     }
 
     #[inline]
-    pub fn checked_neg(&self) -> Option<Self> {
+    pub fn checked_neg(self) -> Option<Self> {
         Some(Self {
             year_month: self.year_month.checked_neg()?,
             day_time: self.day_time.checked_neg()?,
@@ -117,7 +117,7 @@ impl Duration {
 
     /// Checks if the two values are [identical](https://www.w3.org/TR/xmlschema11-2/#identity).
     #[inline]
-    pub fn is_identical_with(&self, other: &Self) -> bool {
+    pub fn is_identical_with(self, other: Self) -> bool {
         self == other
     }
 }
@@ -308,7 +308,7 @@ impl YearMonthDuration {
     }
 
     #[inline]
-    pub fn checked_neg(&self) -> Option<Self> {
+    pub fn checked_neg(self) -> Option<Self> {
         Some(Self {
             months: self.months.checked_neg()?,
         })
@@ -316,7 +316,7 @@ impl YearMonthDuration {
 
     /// Checks if the two values are [identical](https://www.w3.org/TR/xmlschema11-2/#identity).
     #[inline]
-    pub fn is_identical_with(&self, other: &Self) -> bool {
+    pub fn is_identical_with(self, other: Self) -> bool {
         self == other
     }
 }
@@ -428,32 +428,32 @@ impl DayTimeDuration {
     /// [fn:days-from-duration](https://www.w3.org/TR/xpath-functions-31/#func-days-from-duration)
     #[allow(clippy::cast_possible_truncation)]
     #[inline]
-    pub fn days(&self) -> i64 {
+    pub fn days(self) -> i64 {
         (self.seconds.as_i128() / 86400) as i64
     }
 
     /// [fn:hours-from-duration](https://www.w3.org/TR/xpath-functions-31/#func-hours-from-duration)
     #[allow(clippy::cast_possible_truncation)]
     #[inline]
-    pub fn hours(&self) -> i64 {
+    pub fn hours(self) -> i64 {
         ((self.seconds.as_i128() % 86400) / 3600) as i64
     }
 
     /// [fn:minutes-from-duration](https://www.w3.org/TR/xpath-functions-31/#func-minutes-from-duration)
     #[allow(clippy::cast_possible_truncation)]
     #[inline]
-    pub fn minutes(&self) -> i64 {
+    pub fn minutes(self) -> i64 {
         ((self.seconds.as_i128() % 3600) / 60) as i64
     }
 
     /// [fn:seconds-from-duration](https://www.w3.org/TR/xpath-functions-31/#func-seconds-from-duration)
     #[inline]
-    pub fn seconds(&self) -> Decimal {
+    pub fn seconds(self) -> Decimal {
         self.seconds.checked_rem(60).unwrap()
     }
 
     #[inline]
-    pub(super) const fn all_seconds(&self) -> Decimal {
+    pub(super) const fn all_seconds(self) -> Decimal {
         self.seconds
     }
 
@@ -464,7 +464,7 @@ impl DayTimeDuration {
 
     /// [op:add-dayTimeDurations](https://www.w3.org/TR/xpath-functions-31/#func-add-dayTimeDurations)
     #[inline]
-    pub fn checked_add(&self, rhs: impl Into<Self>) -> Option<Self> {
+    pub fn checked_add(self, rhs: impl Into<Self>) -> Option<Self> {
         let rhs = rhs.into();
         Some(Self {
             seconds: self.seconds.checked_add(rhs.seconds)?,
@@ -473,7 +473,7 @@ impl DayTimeDuration {
 
     /// [op:subtract-dayTimeDurations](https://www.w3.org/TR/xpath-functions-31/#func-subtract-dayTimeDurations)
     #[inline]
-    pub fn checked_sub(&self, rhs: impl Into<Self>) -> Option<Self> {
+    pub fn checked_sub(self, rhs: impl Into<Self>) -> Option<Self> {
         let rhs = rhs.into();
         Some(Self {
             seconds: self.seconds.checked_sub(rhs.seconds)?,
@@ -481,7 +481,7 @@ impl DayTimeDuration {
     }
 
     #[inline]
-    pub fn checked_neg(&self) -> Option<Self> {
+    pub fn checked_neg(self) -> Option<Self> {
         Some(Self {
             seconds: self.seconds.checked_neg()?,
         })
@@ -489,7 +489,7 @@ impl DayTimeDuration {
 
     /// Checks if the two values are [identical](https://www.w3.org/TR/xmlschema11-2/#identity).
     #[inline]
-    pub fn is_identical_with(&self, other: &Self) -> bool {
+    pub fn is_identical_with(self, other: Self) -> bool {
         self == other
     }
 }
diff --git a/lib/oxsdatatypes/src/float.rs b/lib/oxsdatatypes/src/float.rs
index 7f7b979b..86616a24 100644
--- a/lib/oxsdatatypes/src/float.rs
+++ b/lib/oxsdatatypes/src/float.rs
@@ -71,7 +71,7 @@ impl Float {
 
     /// Checks if the two values are [identical](https://www.w3.org/TR/xmlschema11-2/#identity).
     #[inline]
-    pub fn is_identical_with(&self, other: &Self) -> bool {
+    pub fn is_identical_with(self, other: Self) -> bool {
         self.value.to_ne_bytes() == other.value.to_ne_bytes()
     }
 
@@ -281,9 +281,9 @@ mod tests {
 
     #[test]
     fn is_identical_with() {
-        assert!(Float::from(0.).is_identical_with(&Float::from(0.)));
-        assert!(Float::NAN.is_identical_with(&Float::NAN));
-        assert!(!Float::from(-0.).is_identical_with(&Float::from(0.)));
+        assert!(Float::from(0.).is_identical_with(Float::from(0.)));
+        assert!(Float::NAN.is_identical_with(Float::NAN));
+        assert!(!Float::from(-0.).is_identical_with(Float::from(0.)));
     }
 
     #[test]
diff --git a/lib/oxsdatatypes/src/integer.rs b/lib/oxsdatatypes/src/integer.rs
index d3b5fbc9..87d2dbd7 100644
--- a/lib/oxsdatatypes/src/integer.rs
+++ b/lib/oxsdatatypes/src/integer.rs
@@ -28,7 +28,7 @@ impl Integer {
 
     /// [op:numeric-add](https://www.w3.org/TR/xpath-functions-31/#func-numeric-add)
     #[inline]
-    pub fn checked_add(&self, rhs: impl Into<Self>) -> Option<Self> {
+    pub fn checked_add(self, rhs: impl Into<Self>) -> Option<Self> {
         Some(Self {
             value: self.value.checked_add(rhs.into().value)?,
         })
@@ -36,7 +36,7 @@ impl Integer {
 
     /// [op:numeric-subtract](https://www.w3.org/TR/xpath-functions-31/#func-numeric-subtract)
     #[inline]
-    pub fn checked_sub(&self, rhs: impl Into<Self>) -> Option<Self> {
+    pub fn checked_sub(self, rhs: impl Into<Self>) -> Option<Self> {
         Some(Self {
             value: self.value.checked_sub(rhs.into().value)?,
         })
@@ -44,7 +44,7 @@ impl Integer {
 
     /// [op:numeric-multiply](https://www.w3.org/TR/xpath-functions-31/#func-numeric-multiply)
     #[inline]
-    pub fn checked_mul(&self, rhs: impl Into<Self>) -> Option<Self> {
+    pub fn checked_mul(self, rhs: impl Into<Self>) -> Option<Self> {
         Some(Self {
             value: self.value.checked_mul(rhs.into().value)?,
         })
@@ -52,7 +52,7 @@ impl Integer {
 
     /// [op:numeric-divide](https://www.w3.org/TR/xpath-functions-31/#func-numeric-divide)
     #[inline]
-    pub fn checked_div(&self, rhs: impl Into<Self>) -> Option<Self> {
+    pub fn checked_div(self, rhs: impl Into<Self>) -> Option<Self> {
         Some(Self {
             value: self.value.checked_div(rhs.into().value)?,
         })
@@ -60,14 +60,14 @@ impl Integer {
 
     /// [op:numeric-mod](https://www.w3.org/TR/xpath-functions-31/#func-numeric-mod)
     #[inline]
-    pub fn checked_rem(&self, rhs: impl Into<Self>) -> Option<Self> {
+    pub fn checked_rem(self, rhs: impl Into<Self>) -> Option<Self> {
         Some(Self {
             value: self.value.checked_rem(rhs.into().value)?,
         })
     }
 
     #[inline]
-    pub fn checked_rem_euclid(&self, rhs: impl Into<Self>) -> Option<Self> {
+    pub fn checked_rem_euclid(self, rhs: impl Into<Self>) -> Option<Self> {
         Some(Self {
             value: self.value.checked_rem_euclid(rhs.into().value)?,
         })
@@ -75,7 +75,7 @@ impl Integer {
 
     /// [op:numeric-unary-minus](https://www.w3.org/TR/xpath-functions-31/#func-numeric-unary-minus)
     #[inline]
-    pub fn checked_neg(&self) -> Option<Self> {
+    pub fn checked_neg(self) -> Option<Self> {
         Some(Self {
             value: self.value.checked_neg()?,
         })
@@ -83,25 +83,25 @@ impl Integer {
 
     /// [fn:abs](https://www.w3.org/TR/xpath-functions-31/#func-abs)
     #[inline]
-    pub const fn abs(&self) -> Self {
+    pub const fn abs(self) -> Self {
         Self {
             value: self.value.abs(),
         }
     }
 
     #[inline]
-    pub const fn is_negative(&self) -> bool {
+    pub const fn is_negative(self) -> bool {
         self.value < 0
     }
 
     #[inline]
-    pub const fn is_positive(&self) -> bool {
+    pub const fn is_positive(self) -> bool {
         self.value > 0
     }
 
     /// Checks if the two values are [identical](https://www.w3.org/TR/xmlschema11-2/#identity).
     #[inline]
-    pub fn is_identical_with(&self, other: &Self) -> bool {
+    pub fn is_identical_with(self, other: Self) -> bool {
         self == other
     }
 
diff --git a/lib/src/sparql/model.rs b/lib/src/sparql/model.rs
index d7c69ca7..9525a260 100644
--- a/lib/src/sparql/model.rs
+++ b/lib/src/sparql/model.rs
@@ -167,6 +167,7 @@ pub struct QuerySolutionIter {
 }
 
 impl QuerySolutionIter {
+    #[allow(clippy::rc_buffer)]
     pub fn new(
         variables: Rc<Vec<Variable>>,
         iter: impl Iterator<Item = Result<Vec<Option<Term>>, EvaluationError>> + 'static,
diff --git a/lib/src/storage/numeric_encoder.rs b/lib/src/storage/numeric_encoder.rs
index 73b00fe3..92fc1b5b 100644
--- a/lib/src/storage/numeric_encoder.rs
+++ b/lib/src/storage/numeric_encoder.rs
@@ -183,24 +183,24 @@ impl PartialEq for EncodedTerm {
                 },
             ) => value_id_a == value_id_b && datatype_id_a == datatype_id_b,
             (Self::BooleanLiteral(a), Self::BooleanLiteral(b)) => a == b,
-            (Self::FloatLiteral(a), Self::FloatLiteral(b)) => a.is_identical_with(b),
-            (Self::DoubleLiteral(a), Self::DoubleLiteral(b)) => a.is_identical_with(b),
-            (Self::IntegerLiteral(a), Self::IntegerLiteral(b)) => a.is_identical_with(b),
-            (Self::DecimalLiteral(a), Self::DecimalLiteral(b)) => a.is_identical_with(b),
-            (Self::DateTimeLiteral(a), Self::DateTimeLiteral(b)) => a.is_identical_with(b),
-            (Self::TimeLiteral(a), Self::TimeLiteral(b)) => a.is_identical_with(b),
-            (Self::DateLiteral(a), Self::DateLiteral(b)) => a.is_identical_with(b),
-            (Self::GYearMonthLiteral(a), Self::GYearMonthLiteral(b)) => a.is_identical_with(b),
-            (Self::GYearLiteral(a), Self::GYearLiteral(b)) => a.is_identical_with(b),
-            (Self::GMonthDayLiteral(a), Self::GMonthDayLiteral(b)) => a.is_identical_with(b),
-            (Self::GMonthLiteral(a), Self::GMonthLiteral(b)) => a.is_identical_with(b),
-            (Self::GDayLiteral(a), Self::GDayLiteral(b)) => a.is_identical_with(b),
-            (Self::DurationLiteral(a), Self::DurationLiteral(b)) => a.is_identical_with(b),
+            (Self::FloatLiteral(a), Self::FloatLiteral(b)) => a.is_identical_with(*b),
+            (Self::DoubleLiteral(a), Self::DoubleLiteral(b)) => a.is_identical_with(*b),
+            (Self::IntegerLiteral(a), Self::IntegerLiteral(b)) => a.is_identical_with(*b),
+            (Self::DecimalLiteral(a), Self::DecimalLiteral(b)) => a.is_identical_with(*b),
+            (Self::DateTimeLiteral(a), Self::DateTimeLiteral(b)) => a.is_identical_with(*b),
+            (Self::TimeLiteral(a), Self::TimeLiteral(b)) => a.is_identical_with(*b),
+            (Self::DateLiteral(a), Self::DateLiteral(b)) => a.is_identical_with(*b),
+            (Self::GYearMonthLiteral(a), Self::GYearMonthLiteral(b)) => a.is_identical_with(*b),
+            (Self::GYearLiteral(a), Self::GYearLiteral(b)) => a.is_identical_with(*b),
+            (Self::GMonthDayLiteral(a), Self::GMonthDayLiteral(b)) => a.is_identical_with(*b),
+            (Self::GMonthLiteral(a), Self::GMonthLiteral(b)) => a.is_identical_with(*b),
+            (Self::GDayLiteral(a), Self::GDayLiteral(b)) => a.is_identical_with(*b),
+            (Self::DurationLiteral(a), Self::DurationLiteral(b)) => a.is_identical_with(*b),
             (Self::YearMonthDurationLiteral(a), Self::YearMonthDurationLiteral(b)) => {
-                a.is_identical_with(b)
+                a.is_identical_with(*b)
             }
             (Self::DayTimeDurationLiteral(a), Self::DayTimeDurationLiteral(b)) => {
-                a.is_identical_with(b)
+                a.is_identical_with(*b)
             }
             (Self::Triple(a), Self::Triple(b)) => a == b,
             (_, _) => false,