bjoernager/rust
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avoid Ty to String conversions

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This commit is contained in:
Takayuki Maeda 2022-08-01 12:52:30 +09:00
parent 34805f3675
commit 92b31ccb73
1 changed files with 4 additions and 5 deletions
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9
compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs
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@ -223,8 +223,7 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> {
if let Some(def) = aty.ty_adt_def() {
// We also want to be able to select the slice's type's original
// signature with no type arguments resolved
let type_string = self.tcx.type_of(def.did()).to_string();
flags.push((sym::_Self, Some(format!("[{type_string}]"))));
flags.push((sym::_Self, Some(format!("[{}]", self.tcx.type_of(def.did())))));
}
if aty.is_integral() {
flags.push((sym::_Self, Some("[{integral}]".to_string())));
@ -242,10 +241,10 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> {
if let Some(def) = aty.ty_adt_def() {
// We also want to be able to select the array's type's original
// signature with no type arguments resolved
let type_string = self.tcx.type_of(def.did()).to_string();
flags.push((sym::_Self, Some(format!("[{type_string}; _]"))));
let def_ty = self.tcx.type_of(def.did());
flags.push((sym::_Self, Some(format!("[{def_ty}; _]"))));
if let Some(n) = len {
flags.push((sym::_Self, Some(format!("[{type_string}; {n}]"))));
flags.push((sym::_Self, Some(format!("[{def_ty}; {n}]"))));
}
}
if aty.is_integral() {