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Fix LifetimeParam::lifetime_bounds invalid implement

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Lifetime node example:

```
LIFETIME_PARAM@15..21
  LIFETIME@15..17
    LIFETIME_IDENT@15..17 "'a"
  COLON@17..18 ":"
  WHITESPACE@18..19 " "
  TYPE_BOUND_LIST@19..21
    TYPE_BOUND@19..21
      LIFETIME@19..21
        LIFETIME_IDENT@19..21 "'b"
```
This commit is contained in:
A4-Tacks 2025-09-07 15:05:11 +08:00
parent 1f4e5e82ff
commit 080f2b3f71
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1 changed files with 6 additions and 7 deletions
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13
crates/syntax/src/ast/node_ext.rs
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@ -12,8 +12,8 @@ use rowan::{GreenNodeData, GreenTokenData};
use crate::{
NodeOrToken, SmolStr, SyntaxElement, SyntaxToken, T, TokenText,
ast::{
self, AstNode, AstToken, HasAttrs, HasGenericArgs, HasGenericParams, HasName, SyntaxNode,
support,
self, AstNode, AstToken, HasAttrs, HasGenericArgs, HasGenericParams, HasName,
HasTypeBounds, SyntaxNode, support,
},
ted,
};
@ -912,11 +912,10 @@ impl ast::Visibility {
impl ast::LifetimeParam {
pub fn lifetime_bounds(&self) -> impl Iterator<Item = SyntaxToken> {
self.syntax()
.children_with_tokens()
.filter_map(|it| it.into_token())
.skip_while(|x| x.kind() != T![:])
.filter(|it| it.kind() == T![lifetime_ident])
self.type_bound_list()
.into_iter()
.flat_map(|it| it.bounds())
.filter_map(|it| it.lifetime()?.lifetime_ident_token())
}
}