rust/tests/ui/needless_return.rs
2018-10-06 09:43:08 -07:00

59 lines
1.1 KiB
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.
#![feature(tool_lints)]
#![warn(clippy::needless_return)]
fn test_end_of_fn() -> bool {
if true {
// no error!
return true;
}
return true;
}
fn test_no_semicolon() -> bool {
return true
}
fn test_if_block() -> bool {
if true {
return true;
} else {
return false;
}
}
fn test_match(x: bool) -> bool {
match x {
true => return false,
false => {
return true;
}
}
}
fn test_closure() {
let _ = || {
return true;
};
let _ = || return true;
}
fn main() {
let _ = test_end_of_fn();
let _ = test_no_semicolon();
let _ = test_if_block();
let _ = test_match(true);
test_closure();
}