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Use reserve_exact for pushing to Subtree

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GnomedDev 2024-02-04 22:17:20 +00:00
parent 8011b56827
commit a607e1b04b
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2 changed files with 13 additions and 6 deletions
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8
crates/hir-expand/src/builtin_fn_macro.rs
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@ -361,9 +361,7 @@ fn panic_expand(
};
// FIXME(slow): quote! have a way to expand to builder to make this a vec!
let mut mutable_trees = std::mem::take(&mut call.token_trees).into_vec();
mutable_trees.push(tt::TokenTree::Subtree(subtree));
call.token_trees = mutable_trees.into_boxed_slice();
call.push(tt::TokenTree::Subtree(subtree));
ExpandResult::ok(call)
}
@ -395,9 +393,7 @@ fn unreachable_expand(
};
// FIXME(slow): quote! have a way to expand to builder to make this a vec!
let mut mutable_trees = std::mem::take(&mut call.token_trees).into_vec();
mutable_trees.push(tt::TokenTree::Subtree(subtree));
call.token_trees = mutable_trees.into_boxed_slice();
call.push(tt::TokenTree::Subtree(subtree));
ExpandResult::ok(call)
}