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Auto merge of #115696 - RalfJung:closure-ty-print, r=oli-obk

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adjust how closure/generator types are printed

I saw `&[closure@$DIR/issue-20862.rs:2:5]` and I thought it is a slice type, because that's usually what `&[_]` is... it took me a while to realize that this is just a confusing printer and actually there's no slice. Let's use something that cannot be mistaken for a regular type.
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bors 2023-09-22 15:19:38 +00:00
commit 959b2c703d
191 changed files with 477 additions and 477 deletions
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2
compiler/rustc_infer/src/infer/error_reporting/mod.rs
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@ -1616,7 +1616,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> {
// | expected `()`, found closure
// |
// = note: expected unit type `()`
// found closure `[closure@$DIR/issue-20862.rs:2:5: 2:14 x:_]`
// found closure `{closure@$DIR/issue-20862.rs:2:5: 2:14 x:_}`
//
// Also ignore opaque `Future`s that come from async fns.
if !self.ignore_span.overlaps(span)