Trait tuples::tuple_map::Tuple4Map1Option

pub trait Tuple4Map1Option<T0, T1, T2, T3> {
    pub fn map1<U>(self, f: impl FnOnce(T1) -> U) -> Option<(T0, U, T2, T3)>;
}

Mapping .1 for Tuple4

Required methods

pub fn map1<U>(self, f: impl FnOnce(T1) -> U) -> Option<(T0, U, T2, T3)>

Mapping .1 for Tuple4

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Implementations on Foreign Types

impl<T0, T1, T2, T3> Tuple4Map1Option<T0, T1, T2, T3> for Option<(T0, T1, T2, T3)>

pub fn map1<U>(self, f: impl FnOnce(T1) -> U) -> Option<(T0, U, T2, T3)>

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Implementors

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