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Auto merge of #77524 - Patryk27:fixes/66228, r=estebank

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Rework diagnostics for wrong number of generic args (fixes #66228 and #71924)

This PR reworks the `wrong number of {} arguments` message, so that it provides more details and contextual hints.
This commit is contained in:
bors 2021-01-13 20:35:58 +00:00
commit a62a76047e
121 changed files with 2787 additions and 766 deletions
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2
compiler/rustc_resolve/src/late/lifetimes.rs
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@ -1433,7 +1433,7 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> {
hir::TyKind::Path(ref qpath) => {
if let QPath::Resolved(_, path) = qpath {
let last_segment = &path.segments[path.segments.len() - 1];
let generics = last_segment.generic_args();
let generics = last_segment.args();
for arg in generics.args.iter() {
if let GenericArg::Lifetime(lt) = arg {
if lt.name.ident() == name {