Unnamed repository; edit this file 'description' to name the repository.
Fix not applicable on statement for convert_to_guarded_return
Fix not applicable in statement when exist else block
Example
---
```rust
fn main() {
some_statements();
if$0 let Ok(x) = Err(92) {
foo(x);
} else {
return;
}
some_statements();
}
```
**Before this PR**
Assist not applicable
**After this PR**
```rust
fn main() {
some_statements();
let Ok(x) = Err(92) else {
return;
};
foo(x);
some_statements();
}
```
| -rw-r--r-- | crates/ide-assists/src/handlers/convert_to_guarded_return.rs | 72 |
1 files changed, 71 insertions, 1 deletions
diff --git a/crates/ide-assists/src/handlers/convert_to_guarded_return.rs b/crates/ide-assists/src/handlers/convert_to_guarded_return.rs index 08b114072f..ea5c1637b7 100644 --- a/crates/ide-assists/src/handlers/convert_to_guarded_return.rs +++ b/crates/ide-assists/src/handlers/convert_to_guarded_return.rs @@ -95,7 +95,9 @@ fn if_expr_to_guarded_return( let parent_block = if_expr.syntax().parent()?.ancestors().find_map(ast::BlockExpr::cast)?; - if parent_block.tail_expr()? != if_expr.clone().into() { + if parent_block.tail_expr() != Some(if_expr.clone().into()) + && !(else_block.is_some() && ast::ExprStmt::can_cast(if_expr.syntax().parent()?.kind())) + { return None; } @@ -503,6 +505,36 @@ fn main() { } #[test] + fn convert_if_let_has_else_block_in_statement() { + check_assist( + convert_to_guarded_return, + r#" +fn main() { + some_statements(); + if$0 let Ok(x) = Err(92) { + foo(x); + } else { + // needless comment + return; + } + some_statements(); +} +"#, + r#" +fn main() { + some_statements(); + let Ok(x) = Err(92) else { + // needless comment + return; + }; + foo(x); + some_statements(); +} +"#, + ); + } + + #[test] fn convert_if_let_result_inside_let() { check_assist( convert_to_guarded_return, @@ -1137,6 +1169,44 @@ fn main() { } #[test] + fn ignore_else_if() { + check_assist_not_applicable( + convert_to_guarded_return, + r#" +fn main() { + some_statements(); + if cond { + () + } else if$0 let Ok(x) = Err(92) { + foo(x); + } else { + return; + } + some_statements(); +} +"#, + ); + } + + #[test] + fn ignore_if_inside_let() { + check_assist_not_applicable( + convert_to_guarded_return, + r#" +fn main() { + some_statements(); + let _ = if$0 let Ok(x) = Err(92) { + foo(x); + } else { + return; + } + some_statements(); +} +"#, + ); + } + + #[test] fn ignore_let_else_branch() { check_assist_not_applicable( convert_to_guarded_return, |