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Minor refactoring

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- use `str::parse()` rather than `FromStr::from_str()`
- use `iter::once()` instead of constructing `Vec` for a single element
This commit is contained in:
Ryo Yoshida 2023-07-27 16:30:57 +09:00
parent b64e5b3919
commit 10b5fd1431
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2 changed files with 12 additions and 11 deletions
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crates/tt/src/lib.rs
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@ -65,7 +65,7 @@ pub mod token_id {
}
impl TokenTree {
pub const fn empty() -> Self {
Self::Subtree(Subtree { delimiter: Delimiter::unspecified(), token_trees: vec![] })
Self::Subtree(Subtree::empty())
}
}