~alcinnz/fontconfig-pure

ref: 62a992b7ac7576b4b13dd714b87e67ca6b177009 fontconfig-pure/lib/Graphics/Text/Font/Choose/StrSet.hs -rw-r--r-- 338 bytes
62a992b7 — Adrian Cochrane Encode & decode FontConfig data on C side. 10 months ago
                                                                                
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module Graphics.Text.Font.Choose.StrSet where

import Data.Set (Set)
import qualified Data.Set as S

import Data.MessagePack (MessagePack(..))

newtype StrSet = StrSet { unStrSet :: Set String }

instance MessagePack StrSet where
    toObject = toObject . S.toList . unStrSet
    fromObject msg = StrSet <$> S.fromList <$> fromObject msg