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Diffstat (limited to 'crates/ide-diagnostics/src/handlers/mutability_errors.rs')
| -rw-r--r-- | crates/ide-diagnostics/src/handlers/mutability_errors.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/crates/ide-diagnostics/src/handlers/mutability_errors.rs b/crates/ide-diagnostics/src/handlers/mutability_errors.rs index 9c79ceba01..f73d1302bf 100644 --- a/crates/ide-diagnostics/src/handlers/mutability_errors.rs +++ b/crates/ide-diagnostics/src/handlers/mutability_errors.rs @@ -575,6 +575,27 @@ fn main() { } #[test] + fn or_pattern_no_terminator() { + check_diagnostics( + r#" +enum Foo { + A, B, C, D +} + +use Foo::*; + +fn f(inp: (Foo, Foo, Foo, Foo)) { + let ((A, B, _, x) | (B, C | D, x, _)) = inp else { + return; + }; + x = B; + //^^^^^ 💡 error: cannot mutate immutable variable `x` +} +"#, + ); + } + + #[test] fn respect_allow_unused_mut() { // FIXME: respect check_diagnostics( |