Trait tuples::tuple_map::Tuple2Map0Option

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pub trait Tuple2Map0Option<T0, T1> {
    // Required method
    fn map0<U>(self, f: impl FnOnce(T0) -> U) -> Option<(U, T1)>;
}
Expand description

Mapping .0 for Tuple2

Required Methods§

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fn map0<U>(self, f: impl FnOnce(T0) -> U) -> Option<(U, T1)>

Mapping .0 for Tuple2

Object Safety§

This trait is not object safe.

Implementations on Foreign Types§

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impl<T0, T1> Tuple2Map0Option<T0, T1> for Option<(T0, T1)>

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fn map0<U>(self, f: impl FnOnce(T0) -> U) -> Option<(U, T1)>

Implementors§