{-# LANGUAGE OverloadedStrings #-}
--------------------------------------------------------------------------------
-- |
-- Module      :  Ipe.Value
-- Copyright   :  (C) Frank Staals
-- License     :  see the LICENSE file
-- Maintainer  :  Frank Staals
--
-- Data type for representing values in ipe.
--
--------------------------------------------------------------------------------
module Ipe.Value where

import GHC.Exts
import Data.Text

--------------------------------------------------------------------------------

-- | Many types either consist of a symbolc value, or a value of type v
data IpeValue v = Named Text | Valued v
  deriving (Int -> IpeValue v -> ShowS
[IpeValue v] -> ShowS
IpeValue v -> String
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instance IsString (IpeValue v) where
  fromString :: String -> IpeValue v
fromString = Text -> IpeValue v
forall v. Text -> IpeValue v
Named (Text -> IpeValue v) -> (String -> Text) -> String -> IpeValue v
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fromString