rust-clippy/tests/ui/redundant_closure_call.rs
Matthias Krüger 435299be30 rustfmt tests
2018-12-09 23:26:16 +01:00

32 lines
857 B
Rust

// 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 mut i = 1;
let mut k = (|m| m + 1)(i);
k = (|a, b| a * b)(1, 5);
let closure = || 32;
i = closure();
let closure = |i| i + 1;
i = closure(3);
i = closure(4);
#[allow(clippy::needless_return)]
(|| return 2)();
(|| -> Option<i32> { None? })();
(|| -> Result<i32, i32> { r#try!(Err(2)) })();
}