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Diffstat (limited to 'compiler/GHC/Data/ByteArray.hs')
| -rw-r--r-- | compiler/GHC/Data/ByteArray.hs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/compiler/GHC/Data/ByteArray.hs b/compiler/GHC/Data/ByteArray.hs index 5121ed4a57..19591092fa 100644 --- a/compiler/GHC/Data/ByteArray.hs +++ b/compiler/GHC/Data/ByteArray.hs @@ -14,6 +14,7 @@ module GHC.Data.ByteArray , MutableByteArray , getMutableByteArray , unsafeMutableByteArrayContents + , sizeofMutableByteArray , newMutableByteArray , newPinnedMutableByteArray , copyByteArray @@ -92,6 +93,10 @@ newPinnedMutableByteArray (I# size) = IO $ \s -> case newPinnedByteArray# size s of (# s', mba #) -> (# s', MutableByteArray mba #) +sizeofMutableByteArray :: MutableByteArray -> Int +sizeofMutableByteArray (MutableByteArray mba) = + I# (sizeofMutableByteArray# mba) + copyByteArray :: ByteArray -- ^ source -> Int -- ^ source offset |