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ptr::RawPtr, spell out units used for the offset argument. #12420

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Merged
bors merged 1 commit into from
Feb 21, 2014
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ptr::RawPtr, spell out units used for the offset argument. #12420

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3 changes: 2 additions & 1 deletion src/libstd/ptr.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -213,7 +213,8 @@ pub trait RawPtr<T> {
/// be pointing to invalid memory.
unsafe fn to_option(&self) -> Option<&T>;
/// Calculates the offset from a pointer. The offset *must* be in-bounds of
/// the object, or one-byte-past-the-end.
/// the object, or one-byte-past-the-end. `count` is in units of T; e.g. a
/// `count` of 3 represents a pointer offset of `3 * sizeof::<T>()` bytes.
unsafe fn offset(self, count: int) -> Self;
}

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