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Auto merge of #16067 - roife:fix-introduce-named-generic-impl-inside-types, r=Veykril
fix: no code action 'introduce_named_generic' for impl inside types Fix #15734. ### Changes Made - Find params in `ancestors` instead of just `parent` - Added tests (`replace_impl_with_mut` and `replace_impl_inside`)
bors 2024-01-02
parent 9f46ff5 · parent 63d2f35 · commit e53a115
-rw-r--r--crates/ide-assists/src/handlers/introduce_named_generic.rs20
1 files changed, 19 insertions, 1 deletions
diff --git a/crates/ide-assists/src/handlers/introduce_named_generic.rs b/crates/ide-assists/src/handlers/introduce_named_generic.rs
index b0d35c02d6..e90a1ed79b 100644
--- a/crates/ide-assists/src/handlers/introduce_named_generic.rs
+++ b/crates/ide-assists/src/handlers/introduce_named_generic.rs
@@ -18,7 +18,7 @@ use crate::{utils::suggest_name, AssistContext, AssistId, AssistKind, Assists};
// ```
pub(crate) fn introduce_named_generic(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> {
let impl_trait_type = ctx.find_node_at_offset::<ast::ImplTraitType>()?;
- let param = impl_trait_type.syntax().parent().and_then(ast::Param::cast)?;
+ let param = impl_trait_type.syntax().ancestors().find_map(|node| ast::Param::cast(node))?;
let fn_ = param.syntax().ancestors().find_map(ast::Fn::cast)?;
let type_bound_list = impl_trait_type.type_bound_list()?;
@@ -149,4 +149,22 @@ fn foo<
r#"fn foo<$0F: Foo + Bar>(bar: F) {}"#,
);
}
+
+ #[test]
+ fn replace_impl_with_mut() {
+ check_assist(
+ introduce_named_generic,
+ r#"fn f(iter: &mut $0impl Iterator<Item = i32>) {}"#,
+ r#"fn f<$0I: Iterator<Item = i32>>(iter: &mut I) {}"#,
+ );
+ }
+
+ #[test]
+ fn replace_impl_inside() {
+ check_assist(
+ introduce_named_generic,
+ r#"fn f(x: &mut Vec<$0impl Iterator<Item = i32>>) {}"#,
+ r#"fn f<$0I: Iterator<Item = i32>>(x: &mut Vec<I>) {}"#,
+ );
+ }
}