src/Gargantext/API/Utils.hs

   1 {-|
   2 Module      : Gargantext.API.Utils
   3 Description : Server API main Types
   4 Copyright   : (c) CNRS, 2017-Present
   5 License     : BSD3
   6 Maintainer  : team@gargantext.org
   7 Stability   : experimental
   8 Portability : POSIX
   9
  10 Mainly copied from Servant.Job.Utils (Thanks)
  11
  12 -}
  13
  14 {-# LANGUAGE OverloadedStrings  #-}
  15 {-# LANGUAGE NoImplicitPrelude  #-}
  16
  17 module Gargantext.API.Utils
  18   where
  19
  20 import Gargantext.Prelude
  21 import Data.Maybe (Maybe, fromMaybe)
  22 import Prelude (String)
  23 import qualified Data.Text as T
  24
  25 infixr 4 ?|
  26
  27 -- Reverse infix form of "fromMaybe"
  28 (?|) :: Maybe a -> a -> a
  29 (?|) = flip fromMaybe
  30
  31 infixr 4 ?!
  32
  33 -- Reverse infix form of "fromJust" with a custom error message
  34 (?!) :: Maybe a -> String -> a
  35 (?!) ma' msg = ma' ?| panic (T.pack msg)