45 lines
1.1 KiB
Rust
45 lines
1.1 KiB
Rust
// run-rustfix
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#![warn(clippy::manual_ok_or)]
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#![allow(clippy::blacklisted_name)]
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#![allow(clippy::redundant_closure)]
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#![allow(dead_code)]
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#![allow(unused_must_use)]
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fn main() {
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// basic case
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let foo: Option<i32> = None;
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foo.map_or(Err("error"), |v| Ok(v));
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// eta expansion case
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foo.map_or(Err("error"), Ok);
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// turbo fish syntax
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None::<i32>.map_or(Err("error"), |v| Ok(v));
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// multiline case
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#[rustfmt::skip]
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foo.map_or(Err::<i32, &str>(
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&format!(
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"{}{}{}{}{}{}{}",
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"Alice", "Bob", "Sarah", "Marc", "Sandra", "Eric", "Jenifer")
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),
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|v| Ok(v),
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);
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// not applicable, closure isn't direct `Ok` wrapping
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foo.map_or(Err("error"), |v| Ok(v + 1));
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// not applicable, or side isn't `Result::Err`
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foo.map_or(Ok::<i32, &str>(1), |v| Ok(v));
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// not applicatble, expr is not a `Result` value
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foo.map_or(42, |v| v);
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// TODO patterns not covered yet
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match foo {
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Some(v) => Ok(v),
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None => Err("error"),
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};
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foo.map_or_else(|| Err("error"), |v| Ok(v));
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}
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