-#![feature(tool_lints)]
-
+// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
#![warn(clippy::redundant_closure_call)]
fn main() {
- let a = (|| 42)();
+ let a = (|| 42)();
+
+ let mut i = 1;
+ let mut k = (|m| m + 1)(i);
- let mut i = 1;
- let mut k = (|m| m+1)(i);
+ k = (|a, b| a * b)(1, 5);
- k = (|a,b| a*b)(1,5);
+ let closure = || 32;
+ i = closure();
- let closure = || 32;
- i = closure();
+ let closure = |i| i + 1;
+ i = closure(3);
- let closure = |i| i+1;
- i = closure(3);
+ i = closure(4);
- i = closure(4);
+ #[allow(clippy::needless_return)]
+ (|| return 2)();
+ (|| -> Option<i32> { None? })();
+ (|| -> Result<i32, i32> { r#try!(Err(2)) })();
}