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Diffstat (limited to 'crates/ide-diagnostics/src/handlers/unused_variables.rs')
| -rw-r--r-- | crates/ide-diagnostics/src/handlers/unused_variables.rs | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/crates/ide-diagnostics/src/handlers/unused_variables.rs b/crates/ide-diagnostics/src/handlers/unused_variables.rs index 67ece56694..d5caf4de33 100644 --- a/crates/ide-diagnostics/src/handlers/unused_variables.rs +++ b/crates/ide-diagnostics/src/handlers/unused_variables.rs @@ -263,4 +263,17 @@ fn main() { "#, ); } + + // regression test as we used to panic in this scenario + #[test] + fn unknown_struct_pattern_param_type() { + check_diagnostics( + r#" +struct S { field : u32 } +fn f(S { field }: error) { + // ^^^^^ 💡 warn: unused variable +} +"#, + ); + } } |