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Fix future_prelude_collision adding unneeded generic arguments

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jam1garner 2021-05-28 00:55:32 -04:00 committed by Niko Matsakis
parent 4a21a0bebc
commit 64c61a32f6
1 changed files with 1 additions and 16 deletions
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17
compiler/rustc_typeck/src/check/method/mod.rs
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@ -210,22 +210,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
call_expr.span,
|lint| {
let sp = call_expr.span;
let type_name = self.tcx.def_path_str(pick.item.container.id());
let type_generics = self.tcx.generics_of(pick.item.container.id());
let parameter_count =
type_generics.count() - (type_generics.has_self as usize);
let trait_name = if parameter_count == 0 {
type_name
} else {
format!(
"{}<{}>",
type_name,
std::iter::repeat("_")
.take(parameter_count)
.collect::<Vec<_>>()
.join(", ")
)
};
let trait_name = self.tcx.def_path_str(pick.item.container.id());
let mut lint = lint.build(&format!(
"trait method `{}` will become ambiguous in Rust 2021",