- ... receive at least one argument that is a function, or
- ... return a function,
- ... or both
This is a collection of higher order functions and other functional helpers as they are common in pure functional languages such as Racket.
- constant, always, never
- compose
- curry, curryr, curryl
- map, reduce
- apply
- min, max, add, sub, mul, div, modulo
- getter, setter
- length
- zip
- is, not, any, all, none, identity
- andFns, orFns