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{-# LANGUAGE CPP #-}
-- | This module is used for defining new types of rules for Shake build systems.
-- Most users will find the built-in set of rules sufficient.
module Development.Shake.Rule(
#if __GLASGOW_HASKELL__ >= 704
ShakeValue,
#endif
Rule(..), EqualCost(..), rule, apply, apply1,
trackUse, trackChange, trackAllow,
-- * Deprecated
defaultRule
) where
import Development.Shake.Core
import Development.Shake.Types
{-# DEPRECATED defaultRule "Use 'rule' with 'priority' 0" #-}
-- | A deprecated way of defining a low priority rule. Defined as:
--
-- @
-- defaultRule = 'priority' 0 . 'rule'
-- @
defaultRule :: Rule key value => (key -> Maybe (Action value)) -> Rules ()
defaultRule = priority 0 . rule
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