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https://github.com/rust-lang/rust-clippy
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23 lines
710 B
Rust
23 lines
710 B
Rust
// 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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