Trait frame_support::dispatch::OneOrMany

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pub trait OneOrMany<T> {
    type Iter: Iterator<Item = T>;

    // Required method
    fn into_iter(self) -> Self::Iter;
}
Expand description

A trait that represents one or many values of given type.

Useful to accept as parameter type to let the caller pass either a single value directly or an iterator.

Required Associated Types§

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type Iter: Iterator<Item = T>

The iterator type.

Required Methods§

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fn into_iter(self) -> Self::Iter

Convert this item into an iterator.

Implementations on Foreign Types§

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impl<'a> OneOrMany<DispatchClass> for &'a [DispatchClass]

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type Iter = Cloned<Iter<'a, DispatchClass>>

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fn into_iter(self) -> Self::Iter

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