use-with

v0.9.6

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5 years ago

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Accepts a function `fn` and a list of transformer functions and returns a new curried function.

Function

Transformer

Utils

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useWith (

fn:Function,

transformers:Array

) : Function

Accepts a function fn and a list of transformer functions and returns a new curried function. When the new function is invoked, it calls the function fn with parameters consisting of the result of calling each supplied handler on successive arguments to the new function.

If more arguments are passed to the returned function than transformer functions, those arguments are passed directly to fn as additional parameters. If you expect additional arguments that don’t need to be transformed, although you can ignore them, it’s best to pass an identity function so that the new function reports the correct arity.

Example

R.useWith(Math.pow, [R.identity, R.identity])(3, 4); //=> 81
     R.useWith(Math.pow, [R.identity, R.identity])(3)(4); //=> 81
     R.useWith(Math.pow, [R.dec, R.inc])(3, 4); //=> 32
     R.useWith(Math.pow, [R.dec, R.inc])(3)(4); //=> 32

Arguments

fn: Function

The function to wrap.

transformers: Array

A list of transformer functions

Returns

Function

The wrapped function.