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Diffstat (limited to 'src/Propellor/PropAccum.hs')
| -rw-r--r-- | src/Propellor/PropAccum.hs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/Propellor/PropAccum.hs b/src/Propellor/PropAccum.hs index 3c50cf32..85a30af5 100644 --- a/src/Propellor/PropAccum.hs +++ b/src/Propellor/PropAccum.hs @@ -1,4 +1,4 @@ -{-# LANGUAGE PackageImports #-} +{-# LANGUAGE PackageImports, FlexibleContexts #-} module Propellor.PropAccum ( host @@ -46,7 +46,7 @@ class PropAccum h where (&^) = addPropFront -- | Adds a property in reverted form. -(!) :: PropAccum h => h -> RevertableProperty -> h +(!) :: IsProp (RevertableProperty i) => PropAccum h => h -> RevertableProperty i -> h h ! p = h & revert p infixl 1 & |