all

Summary

Returns true if predicate passed for all elements of the list.

Tip

This function is curried.

Examples

Returns true if all elements of a list are equal to x:

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const allx = all(eq('x'));
// Checking arrays
allx(['x']); //=> true
allx(['x', 'x']); //=> true
allx(['x', 'y', 'x']); //=> false
// Checking objects
allx({a:'x'}); //=> true
allx({a:'x', b: 'x'}); //=> true
allx({a:'x', b: 'y', c: 'x'}); //=> false

Parameters

Name	Type	Description
pred	function	Predicate
xs	Array or Object	List of values

Return

boolean