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Diffstat (limited to 'xtask/src/codegen/grammar/ast_src.rs')
| -rw-r--r-- | xtask/src/codegen/grammar/ast_src.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/xtask/src/codegen/grammar/ast_src.rs b/xtask/src/codegen/grammar/ast_src.rs index 205072a6ce..564d9cc24e 100644 --- a/xtask/src/codegen/grammar/ast_src.rs +++ b/xtask/src/codegen/grammar/ast_src.rs @@ -189,9 +189,9 @@ pub(crate) fn generate_kind_src( } } }); - PUNCT.iter().zip(used_puncts).filter(|(_, used)| !used).for_each(|((punct, _), _)| { + if let Some(punct) = PUNCT.iter().zip(used_puncts).find(|(_, used)| !used) { panic!("Punctuation {punct:?} is not used in grammar"); - }); + } keywords.extend(RESERVED.iter().copied()); keywords.sort(); keywords.dedup(); |