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-rw-r--r--src/tools/clippy/tests/ui/needless_match.fixed39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/needless_match.fixed b/src/tools/clippy/tests/ui/needless_match.fixed
index 0c9178fb8..7e4740679 100644
--- a/src/tools/clippy/tests/ui/needless_match.fixed
+++ b/src/tools/clippy/tests/ui/needless_match.fixed
@@ -207,4 +207,43 @@ impl Tr for Result<i32, i32> {
}
}
+mod issue9084 {
+ fn wildcard_if() {
+ let mut some_bool = true;
+ let e = Some(1);
+
+ // should lint
+ let _ = e;
+
+ // should lint
+ let _ = e;
+
+ // should not lint
+ let _ = match e {
+ _ if some_bool => e,
+ _ => Some(2),
+ };
+
+ // should not lint
+ let _ = match e {
+ Some(i) => Some(i + 1),
+ _ if some_bool => e,
+ _ => e,
+ };
+
+ // should not lint (guard has side effects)
+ let _ = match e {
+ Some(i) => Some(i),
+ _ if {
+ some_bool = false;
+ some_bool
+ } =>
+ {
+ e
+ },
+ _ => e,
+ };
+ }
+}
+
fn main() {}