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-rw-r--r--crates/syntax/src/ast/node_ext.rs9
1 files changed, 9 insertions, 0 deletions
diff --git a/crates/syntax/src/ast/node_ext.rs b/crates/syntax/src/ast/node_ext.rs
index 3d27d2c1a..2bd9ad867 100644
--- a/crates/syntax/src/ast/node_ext.rs
+++ b/crates/syntax/src/ast/node_ext.rs
@@ -325,6 +325,15 @@ impl ast::Impl {
325 let second = types.next(); 325 let second = types.next();
326 (first, second) 326 (first, second)
327 } 327 }
328
329 pub fn for_trait_name_ref(name_ref: &ast::NameRef) -> Option<ast::Impl> {
330 let this = name_ref.syntax().ancestors().find_map(ast::Impl::cast)?;
331 if this.trait_()?.syntax().text_range().start() == name_ref.syntax().text_range().start() {
332 Some(this)
333 } else {
334 None
335 }
336 }
328} 337}
329 338
330#[derive(Debug, Clone, PartialEq, Eq)] 339#[derive(Debug, Clone, PartialEq, Eq)]