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| author | Jacob Pratt <jacob@jhpratt.dev> | 2025-09-13 18:55:16 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-09-13 18:55:16 -0400 |
| commit | 4ee860f6b83f25082cd5c62ed504d51ca7087166 (patch) | |
| tree | 3dcdc343aec3ef2fcfabd10049cbf280fab74d00 /compiler/rustc_span/src/lib.rs | |
| parent | e9c80c733e1488906995f2fc22c928b7f2f82451 (diff) | |
| parent | 31b39150c79e77cbde2d0567120977a014c224f8 (diff) | |
| download | rust-4ee860f6b83f25082cd5c62ed504d51ca7087166.tar.gz rust-4ee860f6b83f25082cd5c62ed504d51ca7087166.zip | |
Rollup merge of #146159 - camsteffen:hygiene-docs, r=petrochenkov
Some hygiene doc improvements Improve some doc comments around SyntaxContext, outer_expn and friends. Based on discussion at https://github.com/rust-lang/rust/pull/146100. r? petrochenkov
Diffstat (limited to 'compiler/rustc_span/src/lib.rs')
| -rw-r--r-- | compiler/rustc_span/src/lib.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs index ae6755f0764..e95b743b1ce 100644 --- a/compiler/rustc_span/src/lib.rs +++ b/compiler/rustc_span/src/lib.rs @@ -710,8 +710,8 @@ impl Span { if !ctxt.is_root() { ctxt.outer_expn_data().call_site.source_callsite() } else { self } } - /// The `Span` for the tokens in the previous macro expansion from which `self` was generated, - /// if any. + /// Returns the call-site span of the last macro expansion which produced this `Span`. + /// (see [`ExpnData::call_site`]). Returns `None` if this is not an expansion. pub fn parent_callsite(self) -> Option<Span> { let ctxt = self.ctxt(); (!ctxt.is_root()).then(|| ctxt.outer_expn_data().call_site) |