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Rename field in OnceWith from gen to make

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This commit is contained in:
Michael Goulet 2025-02-07 18:00:38 +00:00
parent 9c486a74da
commit 04bbc8340a
1 changed files with 7 additions and 7 deletions
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14
library/core/src/iter/sources/once_with.rs
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@ -58,8 +58,8 @@ use crate::iter::{FusedIterator, TrustedLen};
/// ```
#[inline]
#[stable(feature = "iter_once_with", since = "1.43.0")]
pub fn once_with<A, F: FnOnce() -> A>(gen: F) -> OnceWith<F> {
OnceWith { gen: Some(gen) }
pub fn once_with<A, F: FnOnce() -> A>(make: F) -> OnceWith<F> {
OnceWith { make: Some(make) }
}
/// An iterator that yields a single element of type `A` by
@ -70,13 +70,13 @@ pub fn once_with<A, F: FnOnce() -> A>(gen: F) -> OnceWith<F> {
#[derive(Clone)]
#[stable(feature = "iter_once_with", since = "1.43.0")]
pub struct OnceWith<F> {
gen: Option<F>,
make: Option<F>,
}
#[stable(feature = "iter_once_with_debug", since = "1.68.0")]
impl<F> fmt::Debug for OnceWith<F> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
if self.gen.is_some() {
if self.make.is_some() {
f.write_str("OnceWith(Some(_))")
} else {
f.write_str("OnceWith(None)")
@ -90,13 +90,13 @@ impl<A, F: FnOnce() -> A> Iterator for OnceWith<F> {
#[inline]
fn next(&mut self) -> Option<A> {
let f = self.gen.take()?;
let f = self.make.take()?;
Some(f())
}
#[inline]
fn size_hint(&self) -> (usize, Option<usize>) {
self.gen.iter().size_hint()
self.make.iter().size_hint()
}
}
@ -110,7 +110,7 @@ impl<A, F: FnOnce() -> A> DoubleEndedIterator for OnceWith<F> {
#[stable(feature = "iter_once_with", since = "1.43.0")]
impl<A, F: FnOnce() -> A> ExactSizeIterator for OnceWith<F> {
fn len(&self) -> usize {
self.gen.iter().len()
self.make.iter().len()
}
}