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Add mozilla::Span

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trav90 2018-10-06 17:29:50 -05:00 • committed by Roy Tam
commit 037afae5e6
10 changed files with 3386 additions and 0 deletions
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13
mfbt/Casting.h
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@ -238,6 +238,19 @@ AssertedCast(const From aFrom)
return static_cast<To>(aFrom);
}
/**
* Cast a value of integral type |From| to a value of integral type |To|,
* release asserting that the cast will be a safe cast per C++ (that is, that
* |to| is in the range of values permitted for the type |From|).
*/
template<typename To, typename From>
inline To
ReleaseAssertedCast(const From aFrom)
{
MOZ_RELEASE_ASSERT((detail::IsInBounds<From, To>(aFrom)));
return static_cast<To>(aFrom);
}
} // namespace mozilla
#endif /* mozilla_Casting_h */