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Add a cast method to raw pointers. #60601

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Merged
merged 1 commit into from
May 9, 2019
Merged

Add a cast method to raw pointers. #60601

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14 changes: 14 additions & 0 deletions src/libcore/ptr.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -974,6 +974,13 @@ impl<T: ?Sized> *const T {
(self as *const u8) == null()
}

/// Cast to a pointer to a different type
#[unstable(feature = "ptr_cast", issue = "60602")]
#[inline]
pub const fn cast<U>(self) -> *const U {
self as _
}

/// Returns `None` if the pointer is null, or else returns a reference to
/// the value wrapped in `Some`.
///
Expand Down Expand Up @@ -1593,6 +1600,13 @@ impl<T: ?Sized> *mut T {
(self as *mut u8) == null_mut()
}

/// Cast to a pointer to a different type
#[unstable(feature = "ptr_cast", issue = "60602")]
#[inline]
pub const fn cast<U>(self) -> *mut U {
self as _
}

/// Returns `None` if the pointer is null, or else returns a reference to
/// the value wrapped in `Some`.
///
Expand Down