bjoernager/rust
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Tweak E0271 wording

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This commit is contained in:
Esteban Küber 2023-01-06 20:28:46 +00:00
parent 5ae8e23816
commit 6c2c8edac3
9 changed files with 18 additions and 14 deletions
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8
compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs
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@ -1866,10 +1866,14 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> {
with_forced_trimmed_paths! {
if Some(pred.projection_ty.def_id) == self.tcx.lang_items().fn_once_output() {
let fn_kind = self_ty.prefix_string(self.tcx);
let item = match self_ty.kind() {
ty::FnDef(def, _) => self.tcx.item_name(*def).to_string(),
_ => self_ty.to_string(),
};
Some(format!(
"expected `{self_ty}` to be a {fn_kind} that returns `{expected_ty}`, but it \
"expected `{item}` to be a {fn_kind} that returns `{expected_ty}`, but it \
returns `{normalized_ty}`",
fn_kind = self_ty.prefix_string(self.tcx)
))
} else if Some(trait_def_id) == self.tcx.lang_items().future_trait() {
Some(format!(