Replace unnecessary map_or_else with map_or

Author: bugadani

compiler/rustc_lint/src/builtin.rs

@@ -968,7 +968,7 @@ fn warn_if_doc(cx: &EarlyContext<'_>, node_span: Span, node_kind: &str, attrs: &
     while let Some(attr) = attrs.next() {
         if attr.is_doc_comment() {
             sugared_span =
-                Some(sugared_span.map_or_else(|| attr.span, |span| span.with_hi(attr.span.hi())));
+                Some(sugared_span.map_or(attr.span, |span| span.with_hi(attr.span.hi())));
         }
 
         if attrs.peek().map(|next_attr| next_attr.is_doc_comment()).unwrap_or_default() {

compiler/rustc_middle/src/hir/place.rs

@@ -103,7 +103,7 @@ impl<'tcx> Place<'tcx> {
 
     /// Returns the type of this `Place` after all projections have been applied.
     pub fn ty(&self) -> Ty<'tcx> {
-        self.projections.last().map_or_else(|| self.base_ty, |proj| proj.ty)
+        self.projections.last().map_or(self.base_ty, |proj| proj.ty)
     }
 
     /// Returns the type of this `Place` immediately before `projection_index`th projection