Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/ide-assists/src/handlers/replace_named_generic_with_impl.rs')
| -rw-r--r-- | crates/ide-assists/src/handlers/replace_named_generic_with_impl.rs | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/crates/ide-assists/src/handlers/replace_named_generic_with_impl.rs b/crates/ide-assists/src/handlers/replace_named_generic_with_impl.rs index 17ef7727ec..4372683016 100644 --- a/crates/ide-assists/src/handlers/replace_named_generic_with_impl.rs +++ b/crates/ide-assists/src/handlers/replace_named_generic_with_impl.rs @@ -34,7 +34,7 @@ pub(crate) fn replace_named_generic_with_impl( let type_param_name = type_param.name()?; // The list of type bounds / traits: `AsRef<Path>` - let type_bound_list = type_param.type_bound_list()?; + let type_bound_list = type_param.type_bound_list(); let fn_ = type_param.syntax().ancestors().find_map(ast::Fn::cast)?; let param_list_text_range = fn_.param_list()?.syntax().text_range(); @@ -89,6 +89,8 @@ pub(crate) fn replace_named_generic_with_impl( } } + let type_bound_list = type_bound_list + .unwrap_or_else(|| make.type_bound_list([make.type_bound_text("Sized")]).unwrap()); let new_bounds = make.impl_trait_type(type_bound_list); for path_type in path_types_to_replace.iter().rev() { editor.replace(path_type.syntax(), new_bounds.syntax()); @@ -313,6 +315,15 @@ mod tests { } #[test] + fn replace_generic_without_bounds() { + check_assist( + replace_named_generic_with_impl, + r#"fn foo<T$0>(input: T) {}"#, + r#"fn foo(input: impl Sized) {}"#, + ); + } + + #[test] fn replace_generic_with_multiple_trait_bounds() { check_assist( replace_named_generic_with_impl, |