Support ghc-7.8

Data/GraphQL/Parser.hs

@@ -1,12 +1,17 @@
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE LambdaCase #-}
 module Data.GraphQL.Parser where
 
 import Prelude hiding (takeWhile)
+
+#if !MIN_VERSION_base(4,8,0)
+import Control.Applicative ((<$>), (<*>), (*>), (<*), (<$), pure)
+import Data.Monoid (Monoid, mempty)
+#endif
 import Control.Applicative ((<|>), empty, many, optional)
 import Control.Monad (when)
 import Data.Char
-
 import Data.Text (Text, pack)
 import Data.Attoparsec.Text
   ( Parser

graphql.cabal

@@ -14,7 +14,7 @@ copyright:           Copyright (C) 2015 J. Daniel Navarro
 category:            Web
 build-type:          Simple
 cabal-version:       >=1.10
-tested-with:         GHC == 7.10
+tested-with:         GHC == 7.8, GHC == 7.10
 extra-source-files:  README.md CHANGELOG.md stack.yaml
 data-files:          tests/data/*.graphql
                      tests/data/*.graphql.golden

stack-7.10.yaml

@@ -0,0 +1,5 @@
+flags: {}
+packages:
+- '.'
+extra-deps: []
+resolver: lts-3.4

stack-7.8.yaml

@@ -0,0 +1,5 @@
+flags: {}
+packages:
+- '.'
+extra-deps: []
+resolver: lts-2.22

stack.yaml

@@ -1,5 +0,0 @@
-flags: {}
-packages:
-- '.'
-extra-deps: []
-resolver: lts-3.4

stack.yaml

@@ -0,0 +1 @@
+stack-7.10.yaml

tests/golden.hs

@@ -1,6 +1,10 @@
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE OverloadedStrings #-}
 module Main where
 
+#if !MIN_VERSION_base(4,8,0)
+import Control.Applicative ((<$>), (<*>), pure)
+#endif
 import Control.Monad ((>=>))
 import Data.Attoparsec.Text (parseOnly)
 import Data.ByteString.Lazy.Char8 as B8