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feature: Make replace_or_with_or_else assists more generally applicable

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This commit is contained in:
Lukas Wirth 2023-03-06 22:17:16 +01:00
parent e6ba791dce
commit 199bc82ce8
8 changed files with 397 additions and 411 deletions
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34
crates/test-utils/src/minicore.rs
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@ -534,6 +534,40 @@ pub mod option {
None => panic!("called `Option::unwrap()` on a `None` value"),
}
}
pub fn and<U>(self, optb: Option<U>) -> Option<U> {
loop {}
}
pub fn unwrap_or(self, default: T) -> T {
loop {}
}
// region:fn
pub fn and_then<U, F>(self, f: F) -> Option<U>
where
F: FnOnce(T) -> Option<U>,
{
loop {}
}
pub fn unwrap_or_else<F>(self, f: F) -> T
where
F: FnOnce() -> T,
{
loop {}
}
pub fn map_or<U, F>(self, default: U, f: F) -> U
where
F: FnOnce(T) -> U,
{
loop {}
}
pub fn map_or_else<U, D, F>(self, default: D, f: F) -> U
where
D: FnOnce() -> U,
F: FnOnce(T) -> U,
{
loop {}
}
// endregion:fn
}
}
// endregion:option