bjoernager/rust
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Implement macro-based deref!() syntax for deref patterns

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Stop using `box PAT` syntax for deref patterns, as it's misleading and
also causes their semantics being tangled up.
This commit is contained in:
Michael Goulet 2024-03-20 16:53:50 -04:00
parent 2627e9f301
commit 2d633317f3
31 changed files with 123 additions and 35 deletions
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2
compiler/rustc_mir_build/src/thir/pattern/mod.rs
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@ -257,7 +257,7 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> {
return self.lower_path(qpath, pat.hir_id, pat.span);
}
hir::PatKind::Box(subpattern) if self.tcx.features().deref_patterns => {
hir::PatKind::Deref(subpattern) => {
PatKind::DerefPattern { subpattern: self.lower_pattern(subpattern) }
}
hir::PatKind::Ref(subpattern, _) | hir::PatKind::Box(subpattern) => {