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Function std_tools::intersperse_with

source · [−]
pub fn intersperse_with<I, F>(
    iterable: I, 
    element: F
) -> IntersperseWith<<I as IntoIterator>::IntoIter, F>ⓘNotable traits for IntersperseWith<I, ElemF>impl<I, ElemF> Iterator for IntersperseWith<I, ElemF> where
    I: Iterator,
    ElemF: IntersperseElement<<I as Iterator>::Item>,     type Item = <I as Iterator>::Item; where
    I: IntoIterator,
    F: FnMut() -> <I as IntoIterator>::Item, 
Expand description

Iterate iterable with a particular value created by a function inserted between each element.

IntoIterator enabled version of Iterator::intersperse_with.

use itertools::intersperse_with;

let mut i = 10;
itertools::assert_equal(intersperse_with((0..3), || { i -= 1; i }), vec![0, 9, 1, 8, 2]);
assert_eq!(i, 8);