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    [project @ 2000-01-04 17:40:46 by simonpj] · 5ca77490
    simonpj authored
    This commit arranges that literal strings will fuse
    nicely, by expressing them as an application of build.
    
    * NoRepStr is now completely redundant, though I havn't removed it yet.
    
    * The unpackStr stuff moves from PrelPack to PrelBase.
    
    * There's a new form of Rule, a BuiltinRule, for rules that
      can't be expressed in Haskell.  The string-fusion rule is one
      such.  It's defined in prelude/PrelRules.lhs.
    
    * PrelRules.lhs also contains a great deal of code that
      implements constant folding.  In due course this will replace
      ConFold.lhs, but for the moment it simply duplicates it.
    5ca77490
MkIface.lhs 21.4 KB