.

publish/src/rdf/conversion.rs

@@ -13,6 +13,14 @@ pub fn term_to_named_node(term: &Term) -> Option<&NamedNode> {
     }
 }
 
+pub fn term_into_named_node(term: Term) -> Option<NamedNode> {
+    if let Term::NamedNode(node) = term {
+        Some(node)
+    } else {
+        None
+    }
+}
+
 pub fn term_into_string(term: Term) -> Option<String> {
     term_as_str(&term).map(String::from)
 }
@@ -30,18 +38,6 @@ pub fn term_as_str(term: &Term) -> Option<&str> {
     }
 }
 
-/*pub fn term_to_tagged_string(term: &Term) -> Option<(String, Option<LanguageTag<String>>)> {
-    term_as_str(&term).and_then(|value| {
-        if let Term::Literal(literal) = term {
-            literal.language()
-                .map(|language| {
-                    let tag = LanguageTag::parse(language.to_string()).ok();
-                    (value.to_string(), tag)
-                })
-        } else { None }
-    })
-}*/
-
 pub fn term_to_boolean(term: &Term) -> Option<bool> {
     if let Term::Literal(literal) = term {
         if literal.datatype() == xsd::BOOLEAN {