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Add tracking issue for unfold and successors

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This commit is contained in:
Simon Sapin 2018-11-15 14:33:47 +01:00
parent 641c4909e4
commit 8a5bbd9a4e
2 changed files with 10 additions and 10 deletions
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2
src/libcore/iter/mod.rs
View file

@ -339,7 +339,7 @@ pub use self::sources::{RepeatWith, repeat_with};
pub use self::sources::{Empty, empty};
#[stable(feature = "iter_once", since = "1.2.0")]
pub use self::sources::{Once, once};
#[unstable(feature = "iter_unfold", issue = /* FIXME */ "0")]
#[unstable(feature = "iter_unfold", issue = "55977")]
pub use self::sources::{Unfold, unfold, Successors, successors};
#[stable(feature = "rust1", since = "1.0.0")]

18
src/libcore/iter/sources.rs
View file

@ -428,7 +428,7 @@ pub fn once<T>(value: T) -> Once<T> {
/// assert_eq!(counter.collect::<Vec<_>>(), &[1, 2, 3, 4, 5]);
/// ```
#[inline]
#[unstable(feature = "iter_unfold", issue = /* FIXME */ "0")]
#[unstable(feature = "iter_unfold", issue = "55977")]
pub fn unfold<St, T, F>(initial_state: St, f: F) -> Unfold<St, F>
where F: FnMut(&mut St) -> Option<T>
{
@ -445,13 +445,13 @@ pub fn unfold<St, T, F>(initial_state: St, f: F) -> Unfold<St, F>
///
/// [`unfold`]: fn.unfold.html
#[derive(Clone)]
#[unstable(feature = "iter_unfold", issue = /* FIXME */ "0")]
#[unstable(feature = "iter_unfold", issue = "55977")]
pub struct Unfold<St, F> {
state: St,
f: F,
}
#[unstable(feature = "iter_unfold", issue = /* FIXME */ "0")]
#[unstable(feature = "iter_unfold", issue = "55977")]
impl<St, T, F> Iterator for Unfold<St, F>
where F: FnMut(&mut St) -> Option<T>
{
@ -463,7 +463,7 @@ impl<St, T, F> Iterator for Unfold<St, F>
}
}
#[unstable(feature = "iter_unfold", issue = /* FIXME */ "0")]
#[unstable(feature = "iter_unfold", issue = "55977")]
impl<St: fmt::Debug, F> fmt::Debug for Unfold<St, F> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("Unfold")
@ -484,7 +484,7 @@ impl<St: fmt::Debug, F> fmt::Debug for Unfold<St, F> {
/// let powers_of_10 = successors(Some(1_u16), |n| n.checked_mul(10));
/// assert_eq!(powers_of_10.collect::<Vec<_>>(), &[1, 10, 100, 1_000, 10_000]);
/// ```
#[unstable(feature = "iter_unfold", issue = /* FIXME */ "0")]
#[unstable(feature = "iter_unfold", issue = "55977")]
pub fn successors<T, F>(first: Option<T>, succ: F) -> Successors<T, F>
where F: FnMut(&T) -> Option<T>
{
@ -504,13 +504,13 @@ pub fn successors<T, F>(first: Option<T>, succ: F) -> Successors<T, F>
///
/// [`successors`]: fn.successors.html
#[derive(Clone)]
#[unstable(feature = "iter_unfold", issue = /* FIXME */ "0")]
#[unstable(feature = "iter_unfold", issue = "55977")]
pub struct Successors<T, F> {
next: Option<T>,
succ: F,
}
#[unstable(feature = "iter_unfold", issue = /* FIXME */ "0")]
#[unstable(feature = "iter_unfold", issue = "55977")]
impl<T, F> Iterator for Successors<T, F>
where F: FnMut(&T) -> Option<T>
{
@ -534,12 +534,12 @@ impl<T, F> Iterator for Successors<T, F>
}
}
#[unstable(feature = "iter_unfold", issue = /* FIXME */ "0")]
#[unstable(feature = "iter_unfold", issue = "55977")]
impl<T, F> FusedIterator for Successors<T, F>
where F: FnMut(&T) -> Option<T>
{}
#[unstable(feature = "iter_unfold", issue = /* FIXME */ "0")]
#[unstable(feature = "iter_unfold", issue = "55977")]
impl<T: fmt::Debug, F> fmt::Debug for Successors<T, F> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("Successors")