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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:03:36 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:03:36 +0000 |
commit | 17d40c6057c88f4c432b0d7bac88e1b84cb7e67f (patch) | |
tree | 3f66c4a5918660bb8a758ab6cda5ff8ee4f6cdcd /compiler/rustc_infer/src/infer/free_regions.rs | |
parent | Adding upstream version 1.64.0+dfsg1. (diff) | |
download | rustc-f7f0cc2a5d72e2c61c1f6900e70eec992bea4273.tar.xz rustc-f7f0cc2a5d72e2c61c1f6900e70eec992bea4273.zip |
Adding upstream version 1.65.0+dfsg1.upstream/1.65.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | compiler/rustc_infer/src/infer/free_regions.rs | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/compiler/rustc_infer/src/infer/free_regions.rs b/compiler/rustc_infer/src/infer/free_regions.rs index d566634a4..728d691a2 100644 --- a/compiler/rustc_infer/src/infer/free_regions.rs +++ b/compiler/rustc_infer/src/infer/free_regions.rs @@ -27,13 +27,13 @@ impl<'a, 'tcx> RegionRelations<'a, 'tcx> { } } -#[derive(Clone, Debug, Default)] +#[derive(Clone, Debug)] pub struct FreeRegionMap<'tcx> { // Stores the relation `a < b`, where `a` and `b` are regions. // // Invariant: only free regions like `'x` or `'static` are stored // in this relation, not scopes. - relation: TransitiveRelation<Region<'tcx>>, + pub(crate) relation: TransitiveRelation<Region<'tcx>>, } impl<'tcx> FreeRegionMap<'tcx> { @@ -45,15 +45,6 @@ impl<'tcx> FreeRegionMap<'tcx> { self.relation.is_empty() } - // Record that `'sup:'sub`. Or, put another way, `'sub <= 'sup`. - // (with the exception that `'static: 'x` is not notable) - pub fn relate_regions(&mut self, sub: Region<'tcx>, sup: Region<'tcx>) { - debug!("relate_regions(sub={:?}, sup={:?})", sub, sup); - if sub.is_free_or_static() && sup.is_free() { - self.relation.add(sub, sup) - } - } - /// Tests whether `r_a <= r_b`. /// /// Both regions must meet `is_free_or_static`. |