A Practical Combinator Library

See Combinatory Programming for details.

API

Constants

Functions

identity

Returns its argument.

Kind: global constant

left

Given two arguments, returns the left one.

Kind: global constant

right

Given two arguments, returns the right one.

Kind: global constant

constant()

Returns a function which returns x no matter what it is passed.

Kind: global function

compose()

Performs function composition.

Any number of functions can be composed.

The innermost function may take any arguments; all subsequent functions expect a single argument.

Kind: global function

apply()

Returns a function which applies f to a spread of its argument.

Kind: global function

flip()

Returns a function which permutes its arguments and applies them to f.

Kind: global function

duplicate()

Returns a function that passes its argument to f twice.

Kind: global function

recombine()

Returns a function that applies its arguments to g and h, taking the resulting values as the arguments to f.

Kind: global function

under()

Returns a function that applies g to each of its arguments, taking the resulting values as the arguments to f.

Kind: global function