pub fn fold<I, B, F>(iterable: I, init: B, f: F) -> B where
I: IntoIterator,
F: FnMut(B, I::Item) -> B, Expand description
Perform a fold operation over the iterable.
IntoIterator enabled version of Iterator::fold.
use itertools::fold;
assert_eq!(fold(&[1., 2., 3.], 0., |a, &b| f32::max(a, b)), 3.);