An efficient compact, immutable byte string type (both strict and lazy)suitable for binary or 8-bit character data.

TheByteString type represents sequences of bytes or 8-bit characters.It is suitable for high performance use, both in terms of large dataquantities, or high speed requirements. TheByteString functions followthe same style as Haskell's ordinary lists, so it is easy to convert codefrom usingString toByteString.

TwoByteString variants are provided:

• StrictByteStrings keep the string as a single large array. Thismakes them convenient for passing data between C and Haskell.

• LazyByteStrings use a lazy list of strict chunks which makes itsuitable for I/O streaming tasks.

TheChar8 modules provide a character-based view of the sameunderlyingByteString types. This makes it convenient to handle mixedbinary and 8-bit character content (which is common in many file formatsand network protocols).

TheBuilder module provides an efficient way to build upByteStringsin an ad-hoc way by repeated concatenation. This is ideal for fastserialisation or pretty printing.

There is also aShortByteString type which has a lower memory overheadand can be converted to or from aByteString. It is suitable for keepingmany short strings in memory, especially long-term, without incurring anypossible heap fragmentation costs.

ByteStrings are not designed for Unicode. For Unicode strings you shoulduse theText type from thetext package.

These modules are intended to be imported qualified, to avoid name clasheswithPrelude functions, e.g.

import qualified Data.ByteString as BS

Modules

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Flags

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• bytestring-0.12.2.0.tar.gz [browse] (Cabal source package)
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Package maintainers

• BenGamari,DonaldStewart,DuncanCoutts,HerbertValerioRiedel,IanLynagh,SylvainHenry,Bodigrim,sjakobi,chessai,clyring

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