Rollup merge of #64530 - taiki-e:docs-pin-lifetimes, r=Centril
Elide lifetimes in `Pin<&(mut) Self>`
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commit
52fa593441
2 changed files with 4 additions and 4 deletions
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@ -295,7 +295,7 @@ impl<T> Option<T> {
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/// [`Pin`]: ../pin/struct.Pin.html
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#[inline]
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#[stable(feature = "pin", since = "1.33.0")]
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pub fn as_pin_ref<'a>(self: Pin<&'a Option<T>>) -> Option<Pin<&'a T>> {
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pub fn as_pin_ref(self: Pin<&Self>) -> Option<Pin<&T>> {
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unsafe {
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Pin::get_ref(self).as_ref().map(|x| Pin::new_unchecked(x))
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}
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@ -306,7 +306,7 @@ impl<T> Option<T> {
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/// [`Pin`]: ../pin/struct.Pin.html
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#[inline]
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#[stable(feature = "pin", since = "1.33.0")]
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pub fn as_pin_mut<'a>(self: Pin<&'a mut Option<T>>) -> Option<Pin<&'a mut T>> {
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pub fn as_pin_mut(self: Pin<&mut Self>) -> Option<Pin<&mut T>> {
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unsafe {
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Pin::get_unchecked_mut(self).as_mut().map(|x| Pin::new_unchecked(x))
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}
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@ -233,7 +233,7 @@
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//! # type Field = i32;
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//! # struct Struct { field: Field }
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//! impl Struct {
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//! fn pin_get_field<'a>(self: Pin<&'a mut Self>) -> &'a mut Field {
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//! fn pin_get_field(self: Pin<&mut Self>) -> &mut Field {
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//! // This is okay because `field` is never considered pinned.
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//! unsafe { &mut self.get_unchecked_mut().field }
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//! }
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@ -257,7 +257,7 @@
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//! # type Field = i32;
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//! # struct Struct { field: Field }
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//! impl Struct {
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//! fn pin_get_field<'a>(self: Pin<&'a mut Self>) -> Pin<&'a mut Field> {
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//! fn pin_get_field(self: Pin<&mut Self>) -> Pin<&mut Field> {
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//! // This is okay because `field` is pinned when `self` is.
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//! unsafe { self.map_unchecked_mut(|s| &mut s.field) }
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//! }
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