Sha256: 750caab67ba0ba11a95ea28cd38026485227bb4aa114cdb497472386f60fdb35
Contents?: true
Size: 840 Bytes
Versions: 25
Compression:
Stored size: 840 Bytes
Contents
#[cfg(feature = "fold")]
pub(crate) mod fold {
use crate::punctuated::{Pair, Punctuated};
pub(crate) trait FoldHelper {
type Item;
fn lift<F>(self, f: F) -> Self
where
F: FnMut(Self::Item) -> Self::Item;
}
impl<T> FoldHelper for Vec<T> {
type Item = T;
fn lift<F>(self, f: F) -> Self
where
F: FnMut(Self::Item) -> Self::Item,
{
self.into_iter().map(f).collect()
}
}
impl<T, U> FoldHelper for Punctuated<T, U> {
type Item = T;
fn lift<F>(self, mut f: F) -> Self
where
F: FnMut(Self::Item) -> Self::Item,
{
self.into_pairs()
.map(Pair::into_tuple)
.map(|(t, u)| Pair::new(f(t), u))
.collect()
}
}
}
Version data entries
25 entries across 25 versions & 1 rubygems