The text package
An efficient packed, immutable Unicode text type (both strict and lazy), with a powerful loop fusion optimization framework.
The Text type represents Unicode character strings, in a time and space-efficient manner. This package provides text processing capabilities that are optimized for performance critical use, both in terms of large data quantities and high speed.
The Text type provides character-encoding, type-safe case conversion via whole-string case conversion functions. It also provides a range of functions for converting Text values to and from ByteStrings, using several standard encodings.
Efficient locale-sensitive support for text IO is also supported.
These modules are intended to be imported qualified, to avoid name clashes with Prelude functions, e.g.
import qualified Data.Text as T
To use an extended and very rich family of functions for working with Unicode text (including normalization, regular expressions, non-standard encodings, text breaking, and locales), see the text-icu package: http://hackage.haskell.org/package/text-icu
—— RELEASE NOTES ——
Changes in 0.11.2.0:
String literals are now converted directly from the format in which GHC stores them into Text, without an intermediate transformation through String, and without inlining of conversion code at each site where a string literal is declared.
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