Trait frame_support::traits::Len

pub trait Len {
    fn len(&self) -> usize;
}

Anything that can have a ::len() method.

Required methods

fn len(&self) -> usize

Return the length of data type.

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Implementors

impl<T: IntoIterator + Clone> Len for T where
    <T as IntoIterator>::IntoIter: ExactSizeIterator, 

fn len(&self) -> usize

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