Trait parsell::VariantFunction

pub trait VariantFunction<T> {
    type Input;
    fn apply(&self, arg: Self::Input) -> T;
}

A trait for functions that can compute their inputs from their outputs

Associated Types

type Input

Required Methods

fn apply(&self, arg: Self::Input) -> T

Implementors

• impl<F, T, E> VariantFunction<Result<T, E>> for Try<F> where
    F: VariantFunction<T>, 
• impl<S, T, E> VariantFunction<Result<(S, T), E>> for TryZipTry
• impl<T, E> VariantFunction<Result<Option<T>, E>> for TryOpt
• impl<T> VariantFunction<T> for First
• impl<T> VariantFunction<T> for Second