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Add clarification on E0308 about opaque types

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This commit is contained in:
Esteban Küber 2019-08-21 11:49:51 -07:00
parent 1c82987782
commit ba8e09415b
1 changed files with 1 additions and 0 deletions
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src/librustc/ty/error.rs
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@ -268,6 +268,7 @@ impl<'tcx> TyCtxt<'tcx> {
let e_str = values.expected.to_string();
let f_str = values.found.to_string();
if &e_str == &f_str && &e_str == "impl std::future::Future" {
// FIXME: use non-string based check.
db.help("if both futures resolve to the same type, consider `await`ing \
on both of them");
}