问题
How can I get a list of consecutive pairs (tuples) from a list without recursion ?
For example : [1, 2, 3, 4]
would be [(1, 2), (2, 3), (3, 4)]
回答1:
\xs -> zip xs $ tail xs
or zip <*> tail
.
来源:https://stackoverflow.com/questions/36670539/consecutive-pairs-from-list-in-haskell