38 lines
1.2 KiB
Rust
38 lines
1.2 KiB
Rust
|
// Copyright 2014-2019 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.
|
||
|
|
||
|
//! Checks implementation of `RESULT_MAP_UNWRAP_OR_ELSE`
|
||
|
|
||
|
#![warn(clippy::result_map_unwrap_or_else)]
|
||
|
|
||
|
include!("../auxiliary/option_helpers.rs");
|
||
|
|
||
|
fn result_methods() {
|
||
|
let res: Result<i32, ()> = Ok(1);
|
||
|
|
||
|
// Check RESULT_MAP_UNWRAP_OR_ELSE
|
||
|
// single line case
|
||
|
let _ = res.map(|x| x + 1)
|
||
|
|
||
|
.unwrap_or_else(|e| 0); // should lint even though this call is on a separate line
|
||
|
// multi line cases
|
||
|
let _ = res.map(|x| {
|
||
|
x + 1
|
||
|
}
|
||
|
).unwrap_or_else(|e| 0);
|
||
|
let _ = res.map(|x| x + 1)
|
||
|
.unwrap_or_else(|e|
|
||
|
0
|
||
|
);
|
||
|
// macro case
|
||
|
let _ = opt_map!(res, |x| x + 1).unwrap_or_else(|e| 0); // should not lint
|
||
|
}
|
||
|
|
||
|
fn main() {}
|