@ -1,12 +1,10 @@
///! Implements data structures for https://www.w3.org/TR/rdf11-concepts/
///! Inspired by [RDFjs](http://rdf.js.org/)
use std::fmt;
use std::option::Option;
use std::sync::Arc;
use std::sync::Mutex;
/// A RDF [IRI](https://www.w3.org/TR/rdf11-concepts/#dfn-iri)
#[derive(Eq, PartialEq, Debug, Clone, Hash)]
pub struct NamedNode {