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| author | wolfbeast <mcwerewolf@gmail.com> | 2018-10-24 11:13:33 +0200 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@gmail.com> | 2018-10-24 11:13:33 +0200 |
| commit | 579881ffb4aa0b145c793825cd1b0628e7cd6cdc (patch) | |
| tree | 65d59fc6b73f120ac1bc2214d4a8442421076b04 /mfbt/Casting.h | |
| parent | a02c44648a3f7d6f3904eebba026ce5e6f781bef (diff) | |
| parent | f71c04d814416ebf52dd54109f2d04f1cbd397c0 (diff) | |
| download | UXP-579881ffb4aa0b145c793825cd1b0628e7cd6cdc.tar UXP-579881ffb4aa0b145c793825cd1b0628e7cd6cdc.tar.gz UXP-579881ffb4aa0b145c793825cd1b0628e7cd6cdc.tar.lz UXP-579881ffb4aa0b145c793825cd1b0628e7cd6cdc.tar.xz UXP-579881ffb4aa0b145c793825cd1b0628e7cd6cdc.zip | |
Merge branch 'master' into Sync-weave
Diffstat (limited to 'mfbt/Casting.h')
| -rw-r--r-- | mfbt/Casting.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/mfbt/Casting.h b/mfbt/Casting.h index a7d0fb50d..adf2c9045 100644 --- a/mfbt/Casting.h +++ b/mfbt/Casting.h @@ -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 */ |