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authorGuillaume Gomez <guillaume1.gomez@gmail.com>2021-02-26 15:52:31 +0100
committerGitHub <noreply@github.com>2021-02-26 15:52:31 +0100
commit039b1b62acc736080d3ecf86c249f00356ac91a0 (patch)
tree06a59887bed652640e0c2294ab8f0287038203c5 /compiler/rustc_codegen_llvm/src/debuginfo
parenta56bbb134fe98931de92b587c3b98920f6923bc9 (diff)
parent08b1e8004b06112fb8334155b2cea314bd3e8161 (diff)
downloadrust-039b1b62acc736080d3ecf86c249f00356ac91a0.tar.gz
rust-039b1b62acc736080d3ecf86c249f00356ac91a0.zip
Rollup merge of #82456 - klensy:or-else, r=estebank
Replaced some unwrap_or and map_or with lazy variants

Replaced some `unwrap_or` and `map_or` with `unwrap_or_else` and `map_or_else`.
Diffstat (limited to 'compiler/rustc_codegen_llvm/src/debuginfo')
-rw-r--r--compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs2
-rw-r--r--compiler/rustc_codegen_llvm/src/debuginfo/mod.rs6
2 files changed, 4 insertions, 4 deletions
diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
index d935fc83b72..1464784ae28 100644
--- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
+++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
@@ -2372,7 +2372,7 @@ fn compute_type_parameters(cx: &CodegenCx<'ll, 'tcx>, ty: Ty<'tcx>) -> &'ll DIAr
     fn get_parameter_names(cx: &CodegenCx<'_, '_>, generics: &ty::Generics) -> Vec<Symbol> {
         let mut names = generics
             .parent
-            .map_or(vec![], |def_id| get_parameter_names(cx, cx.tcx.generics_of(def_id)));
+            .map_or_else(Vec::new, |def_id| get_parameter_names(cx, cx.tcx.generics_of(def_id)));
         names.extend(generics.params.iter().map(|param| param.name));
         names
     }
diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs
index 955e739b2c1..c28b0d64651 100644
--- a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs
+++ b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs
@@ -481,9 +481,9 @@ impl DebugInfoMethods<'tcx> for CodegenCx<'ll, 'tcx> {
         }
 
         fn get_parameter_names(cx: &CodegenCx<'_, '_>, generics: &ty::Generics) -> Vec<Symbol> {
-            let mut names = generics
-                .parent
-                .map_or(vec![], |def_id| get_parameter_names(cx, cx.tcx.generics_of(def_id)));
+            let mut names = generics.parent.map_or_else(Vec::new, |def_id| {
+                get_parameter_names(cx, cx.tcx.generics_of(def_id))
+            });
             names.extend(generics.params.iter().map(|param| param.name));
             names
         }