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add FromJSON instance #32

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add FromJSON instance #32

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4 changes: 4 additions & 0 deletions Data/CaseInsensitive/Internal.hs
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Expand Up @@ -32,6 +32,7 @@ module Data.CaseInsensitive.Internal ( CI

-- from base:
import Control.Applicative (Applicative)
import Data.Aeson ( FromJSON, parseJSON )
import Data.Bool ( (||) )
import Data.Char ( Char, toLower )
import Data.Eq ( Eq, (==) )
Expand Down Expand Up @@ -141,6 +142,9 @@ instance Hashable s => Hashable (CI s) where
instance NFData s => NFData (CI s) where
rnf (CI o f) = o `deepseq` f `deepseq` ()

instance (FromJSON s, FoldCase s) => FromJSON (CI s) where
parseJSON = fmap mk . parseJSON

--------------------------------------------------------------------------------
-- Folding (lowering) cases
--------------------------------------------------------------------------------
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1 change: 1 addition & 0 deletions case-insensitive.cabal
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Expand Up @@ -38,6 +38,7 @@ Library
, text >= 0.3
, deepseq >= 1.1
, hashable >= 1.0
, aeson >= 1.0
if !impl(ghc >= 8.0)
build-depends: semigroups >= 0.18
exposed-modules: Data.CaseInsensitive, Data.CaseInsensitive.Unsafe
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