Improves some code style details

js/src/model.rs

@@ -56,7 +56,7 @@ pub fn literal(
 
 #[wasm_bindgen(js_name = defaultGraph)]
 pub fn default_graph() -> JsDefaultGraph {
-    JsDefaultGraph {}
+    JsDefaultGraph
 }
 
 #[wasm_bindgen(js_name = variable)]
@@ -532,7 +532,7 @@ impl From<GraphName> for JsTerm {
         match name {
             GraphName::NamedNode(node) => node.into(),
             GraphName::BlankNode(node) => node.into(),
-            GraphName::DefaultGraph => Self::DefaultGraph(JsDefaultGraph {}),
+            GraphName::DefaultGraph => Self::DefaultGraph(JsDefaultGraph),
         }
     }
 }
@@ -744,7 +744,7 @@ impl FromJsConverter {
                         ))
                     }
                 }
-                "DefaultGraph" => Ok(JsTerm::DefaultGraph(JsDefaultGraph {})),
+                "DefaultGraph" => Ok(JsTerm::DefaultGraph(JsDefaultGraph)),
                 "Variable" => Ok(Variable::new(
                     Reflect::get(value, &self.value)?
                         .as_string()
@@ -754,8 +754,7 @@ impl FromJsConverter {
                 .into()),
                 "Quad" => Ok(self.to_quad(value)?.into()),
                 _ => Err(format_err!(
-                    "The termType {} is not supported by Oxigraph",
-                    term_type
+                    "The termType {term_type} is not supported by Oxigraph"
                 )),
             }
         } else if term_type.is_undefined() {

js/src/store.rs

@@ -8,7 +8,6 @@ use oxigraph::io::{DatasetFormat, GraphFormat};
 use oxigraph::model::*;
 use oxigraph::sparql::QueryResults;
 use oxigraph::store::Store;
-use std::io::Cursor;
 use wasm_bindgen::prelude::*;
 
 #[wasm_bindgen(js_name = Store)]
@@ -171,7 +170,7 @@ impl JsStore {
         if let Some(graph_format) = GraphFormat::from_media_type(mime_type) {
             self.store
                 .load_graph(
-                    Cursor::new(data),
+                    data.as_bytes(),
                     graph_format,
                     &to_graph_name.unwrap_or(GraphName::DefaultGraph),
                     base_iri.as_deref(),
@@ -184,10 +183,10 @@ impl JsStore {
                 ));
             }
             self.store
-                .load_dataset(Cursor::new(data), dataset_format, base_iri.as_deref())
+                .load_dataset(data.as_bytes(), dataset_format, base_iri.as_deref())
                 .map_err(to_err)
         } else {
-            Err(format_err!("Not supported MIME type: {}", mime_type))
+            Err(format_err!("Not supported MIME type: {mime_type}"))
         }
     }
 
@@ -218,7 +217,7 @@ impl JsStore {
                 .dump_dataset(&mut buffer, dataset_format)
                 .map_err(to_err)?;
         } else {
-            return Err(format_err!("Not supported MIME type: {}", mime_type));
+            return Err(format_err!("Not supported MIME type: {mime_type}"));
         }
         String::from_utf8(buffer).map_err(to_err)
     }

lib/oxrdf/src/blank_node.rs

@@ -264,7 +264,7 @@ impl IdStr {
 
 fn validate_blank_node_identifier(id: &str) -> Result<(), BlankNodeIdParseError> {
     let mut chars = id.chars();
-    let front = chars.next().ok_or(BlankNodeIdParseError {})?;
+    let front = chars.next().ok_or(BlankNodeIdParseError)?;
     match front {
         '0'..='9'
         | '_'
@@ -283,7 +283,7 @@ fn validate_blank_node_identifier(id: &str) -> Result<(), BlankNodeIdParseError>
         | '\u{F900}'..='\u{FDCF}'
         | '\u{FDF0}'..='\u{FFFD}'
         | '\u{10000}'..='\u{EFFFF}' => (),
-        _ => return Err(BlankNodeIdParseError {}),
+        _ => return Err(BlankNodeIdParseError),
     }
     for c in chars {
         match c {
@@ -309,13 +309,13 @@ fn validate_blank_node_identifier(id: &str) -> Result<(), BlankNodeIdParseError>
             | '\u{F900}'..='\u{FDCF}'
             | '\u{FDF0}'..='\u{FFFD}'
             | '\u{10000}'..='\u{EFFFF}' => (),
-            _ => return Err(BlankNodeIdParseError {}),
+            _ => return Err(BlankNodeIdParseError),
         }
     }
 
     // Could not end with a dot
     if id.ends_with('.') {
-        Err(BlankNodeIdParseError {})
+        Err(BlankNodeIdParseError)
     } else {
         Ok(())
     }

lib/oxrdf/src/variable.rs

@@ -169,7 +169,7 @@ impl PartialOrd<VariableRef<'_>> for Variable {
 
 fn validate_variable_identifier(id: &str) -> Result<(), VariableNameParseError> {
     let mut chars = id.chars();
-    let front = chars.next().ok_or(VariableNameParseError {})?;
+    let front = chars.next().ok_or(VariableNameParseError)?;
     match front {
         '0'..='9'
         | '_'
@@ -188,7 +188,7 @@ fn validate_variable_identifier(id: &str) -> Result<(), VariableNameParseError>
         | '\u{F900}'..='\u{FDCF}'
         | '\u{FDF0}'..='\u{FFFD}'
         | '\u{10000}'..='\u{EFFFF}' => (),
-        _ => return Err(VariableNameParseError {}),
+        _ => return Err(VariableNameParseError),
     }
     for c in chars {
         match c {
@@ -211,7 +211,7 @@ fn validate_variable_identifier(id: &str) -> Result<(), VariableNameParseError>
             | '\u{F900}'..='\u{FDCF}'
             | '\u{FDF0}'..='\u{FFFD}'
             | '\u{10000}'..='\u{EFFFF}' => (),
-            _ => return Err(VariableNameParseError {}),
+            _ => return Err(VariableNameParseError),
         }
     }
     Ok(())

lib/sparesults/src/csv.rs

@@ -375,7 +375,6 @@ impl<R: BufRead> TsvSolutionsReader<R> {
 mod tests {
     use super::*;
     use std::error::Error;
-    use std::io::Cursor;
     use std::rc::Rc;
     use std::str;
 
@@ -466,7 +465,7 @@ mod tests {
         if let TsvQueryResultsReader::Solutions {
             solutions: mut solutions_iter,
             variables: actual_variables,
-        } = TsvQueryResultsReader::read(Cursor::new(result))?
+        } = TsvQueryResultsReader::read(result.as_slice())?
         {
             assert_eq!(actual_variables.as_slice(), variables.as_slice());
             let mut rows = Vec::new();
@@ -499,7 +498,7 @@ mod tests {
         bad_tsvs.push(&a_lot_of_strings);
         for bad_tsv in bad_tsvs {
             if let Ok(TsvQueryResultsReader::Solutions { mut solutions, .. }) =
-                TsvQueryResultsReader::read(Cursor::new(bad_tsv))
+                TsvQueryResultsReader::read(bad_tsv.as_bytes())
             {
                 while let Ok(Some(_)) = solutions.read_next() {}
             }

lib/src/sparql/http/dummy.rs

@@ -7,7 +7,7 @@ pub struct Client;
 
 impl Client {
     pub fn new(_timeout: Option<Duration>, _redirection_limit: usize) -> Self {
-        Self {}
+        Self
     }
 
     #[allow(clippy::unused_self)]

lib/src/sparql/model.rs

@@ -98,16 +98,15 @@ impl QueryResults {
     /// use oxigraph::store::Store;
     /// use oxigraph::io::GraphFormat;
     /// use oxigraph::model::*;
-    /// use std::io::Cursor;
     ///
-    /// let graph = "<http://example.com> <http://example.com> <http://example.com> .\n".as_bytes();
+    /// let graph = "<http://example.com> <http://example.com> <http://example.com> .\n";
     ///
     /// let store = Store::new()?;
-    /// store.load_graph(Cursor::new(graph), GraphFormat::NTriples, GraphNameRef::DefaultGraph, None)?;
+    /// store.load_graph(graph.as_bytes(), GraphFormat::NTriples, GraphNameRef::DefaultGraph, None)?;
     ///
     /// let mut results = Vec::new();
     /// store.query("CONSTRUCT WHERE { ?s ?p ?o }")?.write_graph(&mut results, GraphFormat::NTriples)?;
-    /// assert_eq!(results, graph);
+    /// assert_eq!(results, graph.as_bytes());
     /// # Result::<_,Box<dyn std::error::Error>>::Ok(())
     /// ```
     pub fn write_graph(

lib/src/storage/binary_encoder.rs

@@ -2,7 +2,7 @@ use crate::storage::error::{CorruptionError, StorageError};
 use crate::storage::numeric_encoder::{EncodedQuad, EncodedTerm, EncodedTriple, StrHash};
 use crate::storage::small_string::SmallString;
 use oxsdatatypes::*;
-use std::io::{Cursor, Read};
+use std::io::Read;
 use std::mem::size_of;
 
 #[cfg(not(target_family = "wasm"))]
@@ -62,24 +62,23 @@ pub enum QuadEncoding {
 }
 
 impl QuadEncoding {
-    pub fn decode(self, buffer: &[u8]) -> Result<EncodedQuad, StorageError> {
-        let mut cursor = Cursor::new(&buffer);
+    pub fn decode(self, mut buffer: &[u8]) -> Result<EncodedQuad, StorageError> {
         match self {
-            Self::Spog => cursor.read_spog_quad(),
-            Self::Posg => cursor.read_posg_quad(),
-            Self::Ospg => cursor.read_ospg_quad(),
-            Self::Gspo => cursor.read_gspo_quad(),
-            Self::Gpos => cursor.read_gpos_quad(),
-            Self::Gosp => cursor.read_gosp_quad(),
-            Self::Dspo => cursor.read_dspo_quad(),
-            Self::Dpos => cursor.read_dpos_quad(),
-            Self::Dosp => cursor.read_dosp_quad(),
+            Self::Spog => buffer.read_spog_quad(),
+            Self::Posg => buffer.read_posg_quad(),
+            Self::Ospg => buffer.read_ospg_quad(),
+            Self::Gspo => buffer.read_gspo_quad(),
+            Self::Gpos => buffer.read_gpos_quad(),
+            Self::Gosp => buffer.read_gosp_quad(),
+            Self::Dspo => buffer.read_dspo_quad(),
+            Self::Dpos => buffer.read_dpos_quad(),
+            Self::Dosp => buffer.read_dosp_quad(),
         }
     }
 }
 
-pub fn decode_term(buffer: &[u8]) -> Result<EncodedTerm, StorageError> {
-    Cursor::new(&buffer).read_term()
+pub fn decode_term(mut buffer: &[u8]) -> Result<EncodedTerm, StorageError> {
+    buffer.read_term()
 }
 
 pub trait TermReader {
@@ -740,7 +739,7 @@ mod tests {
 
             let mut buffer = Vec::new();
             write_term(&mut buffer, &encoded);
-            assert_eq!(encoded, Cursor::new(&buffer).read_term().unwrap());
+            assert_eq!(encoded, buffer.as_slice().read_term().unwrap());
         }
     }
 }

lib/src/storage/numeric_encoder.rs

@@ -717,13 +717,13 @@ pub fn insert_term<F: FnMut(&StrHash, &str) -> Result<(), StorageError>>(
             if let EncodedTerm::NamedNode { iri_id } = encoded {
                 insert_str(iri_id, node.as_str())
             } else {
-                unreachable!("Invalid term encoding {:?} for {}", encoded, term)
+                unreachable!("Invalid term encoding {encoded:?} for {term}")
             }
         }
         TermRef::BlankNode(node) => match encoded {
             EncodedTerm::BigBlankNode { id_id } => insert_str(id_id, node.as_str()),
             EncodedTerm::SmallBlankNode(..) | EncodedTerm::NumericalBlankNode { .. } => Ok(()),
-            _ => unreachable!("Invalid term encoding {:?} for {}", encoded, term),
+            _ => unreachable!("Invalid term encoding {encoded:?} for {term}"),
         },
         TermRef::Literal(literal) => match encoded {
             EncodedTerm::BigStringLiteral { value_id }
@@ -734,7 +734,7 @@ pub fn insert_term<F: FnMut(&StrHash, &str) -> Result<(), StorageError>>(
                 if let Some(language) = literal.language() {
                     insert_str(language_id, language)
                 } else {
-                    unreachable!("Invalid term encoding {:?} for {}", encoded, term)
+                    unreachable!("Invalid term encoding {encoded:?} for {term}")
                 }
             }
             EncodedTerm::BigBigLangStringLiteral {
@@ -745,7 +745,7 @@ pub fn insert_term<F: FnMut(&StrHash, &str) -> Result<(), StorageError>>(
                 if let Some(language) = literal.language() {
                     insert_str(language_id, language)
                 } else {
-                    unreachable!("Invalid term encoding {:?} for {}", encoded, term)
+                    unreachable!("Invalid term encoding {encoded:?} for {term}")
                 }
             }
             EncodedTerm::SmallTypedLiteral { datatype_id, .. } => {
@@ -776,7 +776,7 @@ pub fn insert_term<F: FnMut(&StrHash, &str) -> Result<(), StorageError>>(
             | EncodedTerm::DurationLiteral(..)
             | EncodedTerm::YearMonthDurationLiteral(..)
             | EncodedTerm::DayTimeDurationLiteral(..) => Ok(()),
-            _ => unreachable!("Invalid term encoding {:?} for {}", encoded, term),
+            _ => unreachable!("Invalid term encoding {encoded:?} for {term}"),
         },
         TermRef::Triple(triple) => {
             if let EncodedTerm::Triple(encoded) = encoded {
@@ -788,7 +788,7 @@ pub fn insert_term<F: FnMut(&StrHash, &str) -> Result<(), StorageError>>(
                 )?;
                 insert_term(triple.object.as_ref(), &encoded.object, insert_str)
             } else {
-                unreachable!("Invalid term encoding {:?} for {}", encoded, term)
+                unreachable!("Invalid term encoding {encoded:?} for {term}")
             }
         }
     }

lib/tests/store.rs

@@ -9,7 +9,6 @@ use std::env::temp_dir;
 use std::error::Error;
 #[cfg(not(target_family = "wasm"))]
 use std::fs::{create_dir, remove_dir_all, File};
-use std::io::Cursor;
 #[cfg(not(target_family = "wasm"))]
 use std::io::Write;
 #[cfg(target_os = "linux")]
@@ -109,7 +108,7 @@ fn quads(graph_name: impl Into<GraphNameRef<'static>>) -> Vec<QuadRef<'static>>
 fn test_load_graph() -> Result<(), Box<dyn Error>> {
     let store = Store::new()?;
     store.load_graph(
-        Cursor::new(DATA),
+        DATA.as_bytes(),
         GraphFormat::Turtle,
         GraphNameRef::DefaultGraph,
         None,
@@ -126,7 +125,7 @@ fn test_load_graph() -> Result<(), Box<dyn Error>> {
 fn test_bulk_load_graph() -> Result<(), Box<dyn Error>> {
     let store = Store::new()?;
     store.bulk_loader().load_graph(
-        Cursor::new(DATA),
+        DATA.as_bytes(),
         GraphFormat::Turtle,
         GraphNameRef::DefaultGraph,
         None,
@@ -143,7 +142,7 @@ fn test_bulk_load_graph() -> Result<(), Box<dyn Error>> {
 fn test_bulk_load_graph_lenient() -> Result<(), Box<dyn Error>> {
     let store = Store::new()?;
     store.bulk_loader().on_parse_error(|_| Ok(())).load_graph(
-        Cursor::new(b"<http://example.com> <http://example.com> <http://example.com##> .\n<http://example.com> <http://example.com> <http://example.com> ."),
+        b"<http://example.com> <http://example.com> <http://example.com##> .\n<http://example.com> <http://example.com> <http://example.com> .".as_slice(),
         GraphFormat::NTriples,
         GraphNameRef::DefaultGraph,
         None,
@@ -162,7 +161,7 @@ fn test_bulk_load_graph_lenient() -> Result<(), Box<dyn Error>> {
 #[test]
 fn test_load_dataset() -> Result<(), Box<dyn Error>> {
     let store = Store::new()?;
-    store.load_dataset(Cursor::new(GRAPH_DATA), DatasetFormat::TriG, None)?;
+    store.load_dataset(GRAPH_DATA.as_bytes(), DatasetFormat::TriG, None)?;
     for q in quads(NamedNodeRef::new_unchecked(
         "http://www.wikidata.org/wiki/Special:EntityData/Q90",
     )) {
@@ -178,7 +177,7 @@ fn test_bulk_load_dataset() -> Result<(), Box<dyn Error>> {
     let store = Store::new()?;
     store
         .bulk_loader()
-        .load_dataset(Cursor::new(GRAPH_DATA), DatasetFormat::TriG, None)?;
+        .load_dataset(GRAPH_DATA.as_bytes(), DatasetFormat::TriG, None)?;
     let graph_name =
         NamedNodeRef::new_unchecked("http://www.wikidata.org/wiki/Special:EntityData/Q90");
     for q in quads(graph_name) {
@@ -194,7 +193,7 @@ fn test_load_graph_generates_new_blank_nodes() -> Result<(), Box<dyn Error>> {
     let store = Store::new()?;
     for _ in 0..2 {
         store.load_graph(
-            Cursor::new("_:a <http://example.com/p> <http://example.com/p> ."),
+            "_:a <http://example.com/p> <http://example.com/p> .".as_bytes(),
             GraphFormat::NTriples,
             GraphNameRef::DefaultGraph,
             None,