New upstream version 1.52.1+dfsg1

[rustc.git] / src / tools / clippy / tests / ui / redundant_closure_call_early.rs

diff --git a/src/tools/clippy/tests/ui/redundant_closure_call_early.rs b/src/tools/clippy/tests/ui/redundant_closure_call_early.rs
new file mode 100644 (file)
index 0000000..3dd3656
--- /dev/null
+++ b/src/tools/clippy/tests/ui/redundant_closure_call_early.rs
@@ -0,0 +1,19 @@
+// non rustfixable, see redundant_closure_call_fixable.rs
+
+#![warn(clippy::redundant_closure_call)]
+
+fn main() {
+    let mut i = 1;
+
+    // lint here
+    let mut k = (|m| m + 1)(i);
+
+    // lint here
+    k = (|a, b| a * b)(1, 5);
+
+    // don't lint these
+    #[allow(clippy::needless_return)]
+    (|| return 2)();
+    (|| -> Option<i32> { None? })();
+    (|| -> Result<i32, i32> { Err(2)? })();
+}