Trait tuples::tuple_map::Tuple4Map0Result

pub trait Tuple4Map0Result<E, T0, T1, T2, T3> {
    pub fn map0<U>(self, f: impl FnOnce(T0) -> U) -> Result<(U, T1, T2, T3), E>;
}

Mapping .0 for Tuple4

Required methods

pub fn map0<U>(self, f: impl FnOnce(T0) -> U) -> Result<(U, T1, T2, T3), E>

Mapping .0 for Tuple4

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Implementations on Foreign Types

impl<E, T0, T1, T2, T3> Tuple4Map0Result<E, T0, T1, T2, T3> for Result<(T0, T1, T2, T3), E>

pub fn map0<U>(self, f: impl FnOnce(T0) -> U) -> Result<(U, T1, T2, T3), E>

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Implementors

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