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Diffstat (limited to 'Utility/Tuple.hs')
-rw-r--r-- | Utility/Tuple.hs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Utility/Tuple.hs b/Utility/Tuple.hs new file mode 100644 index 0000000..25c6e8f --- /dev/null +++ b/Utility/Tuple.hs @@ -0,0 +1,17 @@ +{- tuple utility functions + - + - Copyright 2017 Joey Hess <id@joeyh.name> + - + - License: BSD-2-clause + -} + +module Utility.Tuple where + +fst3 :: (a,b,c) -> a +fst3 (a,_,_) = a + +snd3 :: (a,b,c) -> b +snd3 (_,b,_) = b + +thd3 :: (a,b,c) -> c +thd3 (_,_,c) = c |