semigroups 0.3.3 → 0.3.4

raw patch · 2 files changed

+14/−5 lines, 2 files

Files

Data/Semigroup.hs +6/−0
semigroups.cabal +8/−5

Data/Semigroup.hs view

@@ -27,6 +27,8 @@   -- * A better monoid for Maybe   , Option(..)   , option+  -- * Difference lists of a semigroup+  , diff   ) where  import Prelude hiding (foldr1)@@ -218,3 +220,7 @@ instance Semigroup a => Monoid (Option a) where   mempty = empty   Option a `mappend` Option b = Option (a <> b)++-- | This lets you use a 'difference list' of a semigroup as a Monoid.+diff :: Semigroup m => m -> Endo m+diff = Endo . (<>)

semigroups.cabal view

@@ -1,18 +1,22 @@ name:          semigroups-category:      Control, Comonads-version:       0.3.3+category:      Algebra, Data, Data Structures, Math+version:       0.3.4 license:       BSD3 cabal-version: >= 1.6 license-file:  LICENSE author:        Edward A. Kmett maintainer:    Edward A. Kmett <ekmett@gmail.com> stability:     provisional-homepage:      http://comonad.com/reader/-copyright:     Copyright (C) 2008-2011 Edward A. Kmett, Copyright (C) 2004-2008 Dave Menendez+homepage:      git://github.com/ekmett/semigroups/+copyright:     Copyright (C) 2011 Edward A. Kmett synopsis:      Haskell 98 semigroups description:   Haskell 98 semigroups build-type:    Simple   +source-repository head+  type: git+  location: git://github.com/ekmett/semigroups.git+ flag DeriveDataTypeable   description: DeriveDataTypeable available   default: True@@ -28,4 +32,3 @@    exposed-modules:     Data.Semigroup-