History of Idiom 37 > diff from v28 to v29
Edit summary for version 29 by hrschueler:
[Haskell] Format improvements (Comments)
[Haskell] Format improvements (Comments)
↷
Version 28
2018-05-15, 18:34:47
Version 29
2018-05-15, 18:35:35
Idiom #37 Currying
Transform a function that takes multiple arguments into a function for which some of the arguments are preset.
Idiom #37 Currying
Transform a function that takes multiple arguments into a function for which some of the arguments are preset.
Comments bubble
(curry range 1) = \ i -> [1..i]
curry range :: a -> a -> [a]
curry :: ((a, b) -> c) -> a -> b -> c
_"::" means "is of type"
Haskell begins with most functions already curried and allowing partial projection, hence the uncurried range sprang to mind as a notable exception for this illustration.
Data.Ix contains range
Comments bubble
(curry range 1) = \ i -> [1..i]
curry range :: a -> a -> [a]
curry :: ((a, b) -> c) -> a -> b -> c
"::" means "is of type"
Haskell begins with most functions already curried and allowing partial projection, hence the uncurried range sprang to mind as a notable exception for this illustration.
Data.Ix contains range