32 lines
1.1 KiB
Rust
32 lines
1.1 KiB
Rust
// Copyright 2014-2019 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// aux-build:option_helpers.rs
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//! Checks implementation of `RESULT_MAP_UNWRAP_OR_ELSE`
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#![warn(clippy::result_map_unwrap_or_else)]
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#[macro_use]
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extern crate option_helpers;
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fn result_methods() {
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let res: Result<i32, ()> = Ok(1);
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// Check RESULT_MAP_UNWRAP_OR_ELSE
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// single line case
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let _ = res.map(|x| x + 1).unwrap_or_else(|e| 0); // should lint even though this call is on a separate line
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// multi line cases
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let _ = res.map(|x| x + 1).unwrap_or_else(|e| 0);
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let _ = res.map(|x| x + 1).unwrap_or_else(|e| 0);
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// macro case
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let _ = opt_map!(res, |x| x + 1).unwrap_or_else(|e| 0); // should not lint
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}
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fn main() {}
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