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fix: add docs and remove unnecessary check

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rainy-me 2022-05-05 13:41:33 +09:00
parent 5f4351fbb6
commit ddff1b22f9
2 changed files with 8 additions and 6 deletions
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10
crates/hir-def/src/attr.rs
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@ -854,11 +854,13 @@ impl<'attr> AttrQuery<'attr> {
.filter(move |attr| attr.path.as_ident().map_or(false, |s| s.to_smol_str() == key))
}
/// Find string value for a specific key inside token tree
///
/// ```ignore
/// #[doc(html_root_url = "url")]
/// ^^^^^^^^^^^^^ key
/// ```
pub fn find_string_value_in_tt(self, key: &'attr str) -> Option<&SmolStr> {
if !self.exists() {
return None;
}
self.tt_values().find_map(|tt| {
let name = tt.token_trees.iter()
.skip_while(|tt| !matches!(tt, tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { text, ..} )) if text == key))