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Use std::convert::identity

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This commit is contained in:
Oleg Nosov 2020-01-15 09:42:30 +03:00
parent 134089af2c
commit 38de0bfd22
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GPG key ID: DE90B83800644E24
4 changed files with 6 additions and 26 deletions
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8
src/option/from_stream.rs
View file

@ -2,7 +2,7 @@ use std::pin::Pin;
use crate::prelude::*;
use crate::stream::{FromStream, IntoStream};
use crate::utils::identity;
use std::convert::identity;
impl<T, V> FromStream<Option<T>> for Option<V>
where
@ -33,11 +33,7 @@ where
.collect()
.await;
if found_none {
None
} else {
Some(out)
}
if found_none { None } else { Some(out) }
})
}
}

8
src/option/product.rs
View file

@ -2,7 +2,7 @@ use std::pin::Pin;
use crate::prelude::*;
use crate::stream::{Product, Stream};
use crate::utils::identity;
use std::convert::identity;
impl<T, U> Product<Option<U>> for Option<T>
where
@ -57,11 +57,7 @@ where
)
.await;
if found_none {
None
} else {
Some(out)
}
if found_none { None } else { Some(out) }
})
}
}

8
src/option/sum.rs
View file

@ -2,7 +2,7 @@ use std::pin::Pin;
use crate::prelude::*;
use crate::stream::{Stream, Sum};
use crate::utils::identity;
use std::convert::identity;
impl<T, U> Sum<Option<U>> for Option<T>
where
@ -52,11 +52,7 @@ where
)
.await;
if found_none {
None
} else {
Some(out)
}
if found_none { None } else { Some(out) }
})
}
}

8
src/utils.rs
View file

@ -52,14 +52,6 @@ pub fn random(n: u32) -> u32 {
})
}
/// Returns given argument without changes.
#[allow(dead_code)]
#[doc(hidden)]
#[inline(always)]
pub(crate) fn identity<T>(arg: T) -> T {
arg
}
/// Add additional context to errors
pub(crate) trait Context {
fn context(self, message: impl Fn() -> String) -> Self;