9526165797

Committed 15 Jun 2024 06:30AM UTC coverage: 74.576%. Remained the same

Build # 9526165797

Build Type

push

github

Committed by

web-flow

Commit Message

Merge pull request #16 from sile/fix-lint-error

Fix clippy errors

Run Details

1 of 1 new or added line in 1 file covered. (100.0%)

264 of 354 relevant lines covered (74.58%)

2.61 hits per line

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100.0

/src/convert.rs

//! Traits for conversions between types.

/// A cheap reference-to-reference conversion that has a possibility to fail.
pub trait MaybeAsRef<T: ?Sized> {
    /// Performs the conversion.
    fn maybe_as_ref(&self) -> Option<&T>;
}
impl<T, U> MaybeAsRef<T> for Option<U>
where
    U: MaybeAsRef<T>,
{
    fn maybe_as_ref(&self) -> Option<&T> {
        self.as_ref().and_then(|u| u.maybe_as_ref())
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn it_works() {
        struct Foo;
        struct Bar(Foo);
        impl MaybeAsRef<Foo> for Bar {
            fn maybe_as_ref(&self) -> Option<&Foo> {
                Some(&self.0)
            }
        }

        let bar = Bar(Foo);
        assert!(bar.maybe_as_ref().is_some());
    }
}

1	//! Traits for conversions between types.
2
3	/// A cheap reference-to-reference conversion that has a possibility to fail.
4	pub trait MaybeAsRef<T: ?Sized> {
5	/// Performs the conversion.
6	fn maybe_as_ref(&self) -> Option<&T>;
7	}
8	impl<T, U> MaybeAsRef<T> for Option<U>
9	where
10	U: MaybeAsRef<T>,
11	{
12	fn maybe_as_ref(&self) -> Option<&T> {
13	self.as_ref().and_then(\|u\| u.maybe_as_ref())
14	}
15	}
16
17	#[cfg(test)]
18	mod tests {
19	use super::*;
20
21	#[test]
22	fn it_works() {	2✔
23	struct Foo;
24	struct Bar(Foo);
25	impl MaybeAsRef<Foo> for Bar {
26	fn maybe_as_ref(&self) -> Option<&Foo> {	1✔
27	Some(&self.0)	1✔
28	}	1✔
29	}
30
31	let bar = Bar(Foo);
32	assert!(bar.maybe_as_ref().is_some());	1✔
33	}	2✔
34	}

sile / rustracing / 9526165797

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