{-# LANGUAGE PatternSynonyms, MagicHash #-}
module Main where

import GHC.Base

pattern P1 <- 0#
pattern P2 <- 1#

f :: Int# -> Int#
f P1 = 42#
f P2 = 44#

g :: Int# -> Int
g P1 = 42
g P2 = 44

main = do
    print $ I# (f 0#)
    print $ I# (f 1#)
    print $ g 0#
    print $ g 1#