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Diffstat (limited to 'crates/mbe/src/expander/matcher.rs')
| -rw-r--r-- | crates/mbe/src/expander/matcher.rs | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/crates/mbe/src/expander/matcher.rs b/crates/mbe/src/expander/matcher.rs index b5d1e098c4..03ada8b2b9 100644 --- a/crates/mbe/src/expander/matcher.rs +++ b/crates/mbe/src/expander/matcher.rs @@ -693,7 +693,14 @@ fn match_meta_var(kind: &str, input: &mut TtIter) -> ExpandResult<Option<Fragmen "path" => ParserEntryPoint::Path, "expr" => ParserEntryPoint::Expr, "ty" => ParserEntryPoint::Type, - "pat" | "pat_param" => ParserEntryPoint::Pattern, // FIXME: edition2021 + // FIXME: These two should actually behave differently depending on the edition. + // + // https://doc.rust-lang.org/edition-guide/rust-2021/or-patterns-macro-rules.html + "pat" | "pat_param" => { + return input + .expect_fragment2(parser::PrefixEntryPoint::Pat) + .map(|tt| tt.map(Fragment::Tokens)); + } "stmt" => { return input .expect_fragment2(parser::PrefixEntryPoint::Stmt) |