Herbert Valerio Riedel authored
The original proposal text can be found at http://www.haskell.org/pipermail/libraries/2014-August/023491.html The proposal passed with a clear majority, and was additionally confirmed by the core libraries committee. *Compatibility Note* Only code that imports `Data.Word` for the sole purpose of using `Word` *and* requires to be `-Werror`-clean (due to `-fwarn-unused-imports`) is affected by this change. In order to write warning-free forward/backward compatible against `base`, a variant of the following CPP-based snippet can be used: -- Starting with base>4.7.0 or GHC>7.8 Prelude re-exports 'Word' -- The following is needed, if 'Word' is the *only* entity needed from Data.Word #ifdef MIN_VERSION_base # if !MIN_VERSION_base(4,7,1) import Data.Word (Word) # endif -- no cabal_macros.h -- fallback to __GLASGOW_HASKELL__ #elif __GLASGOW_HASKELL__ < 709 import Data.Word (Word) #endif This also updates the haddock submodule in order to avoid a compile warning393b8202
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