Needless clone, borrows, casts and lifetimes (#504)

3 files changed, 5 insertions, 5 deletions

diff --git a/library/src/meta/bibliography.rs b/library/src/meta/bibliography.rs
index ac2dea75..19126291 100644
--- a/library/src/meta/bibliography.rs
+++ b/library/src/meta/bibliography.rs
@@ -52,7 +52,7 @@ pub struct BibliographyElem {
             args.expect::<Spanned<BibPaths>>("path to bibliography file")?;
         for path in &mut paths.0 {
             // resolve paths
-            *path = vm.locate(&path).at(span)?.to_string_lossy().into();
+            *path = vm.locate(path).at(span)?.to_string_lossy().into();
         }
         // check that parsing works
         let _ = load(vm.world(), &paths).at(span)?;
@@ -145,7 +145,7 @@ impl Show for BibliographyElem {
 
         let mut seq = vec![];
         if let Some(title) = self.title(styles) {
-            let title = title.clone().unwrap_or_else(|| {
+            let title = title.unwrap_or_else(|| {
                 TextElem::packed(self.local_name(TextElem::lang_in(styles)))
                     .spanned(self.span())
             });
@@ -526,7 +526,7 @@ fn create(
             // Make link from citation to here work.
             let backlink = {
                 let mut content = Content::empty();
-                content.set_location(ref_location(&reference.entry));
+                content.set_location(ref_location(reference.entry));
                 MetaElem::set_data(vec![Meta::Elem(content)])
             };
 
diff --git a/library/src/meta/outline.rs b/library/src/meta/outline.rs
index dbf879c3..33b6b70a 100644
--- a/library/src/meta/outline.rs
+++ b/library/src/meta/outline.rs
@@ -73,7 +73,7 @@ impl Show for OutlineElem {
     fn show(&self, vt: &mut Vt, styles: StyleChain) -> SourceResult<Content> {
         let mut seq = vec![ParbreakElem::new().pack()];
         if let Some(title) = self.title(styles) {
-            let title = title.clone().unwrap_or_else(|| {
+            let title = title.unwrap_or_else(|| {
                 TextElem::packed(self.local_name(TextElem::lang_in(styles)))
                     .spanned(self.span())
             });
diff --git a/library/src/meta/reference.rs b/library/src/meta/reference.rs
index 0b317db0..24687845 100644
--- a/library/src/meta/reference.rs
+++ b/library/src/meta/reference.rs
@@ -119,7 +119,7 @@ impl Show for RefElem {
                 .map(TextElem::packed)
                 .unwrap_or_default(),
             Smart::Custom(None) => Content::empty(),
-            Smart::Custom(Some(Supplement::Content(content))) => content.clone(),
+            Smart::Custom(Some(Supplement::Content(content))) => content,
             Smart::Custom(Some(Supplement::Func(func))) => {
                 func.call_vt(vt, [elem.clone().into()])?.display()
             }