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Array-Like Function
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Return a function which tests if every element in an array-like object passes a test condition.
bash
npm install @stdlib/assert-tools-array-like-function
javascript
var arraylikefcn = require( '@stdlib/assert-tools-array-like-function' );
#### arraylikefcn( predicate )
Returns a function which tests if every element in an [array-like object][array-like] passes a test condition. Given an input [array-like object][array-like], the function returns true if all elements pass the test and false otherwise.
javascript
var isOdd = require( '@stdlib/assert-is-odd' );
var arr1 = [ 1, 3, 5, 7 ];
var arr2 = [ 3, 5, 8 ];
var f = arraylikefcn( isOdd );
var bool = f( arr1 );
// returns true
bool = f( arr2 );
// returns false
false if not provided an [array-like object][array-like].
- The returned function will return false if provided an empty [array-like object][array-like].
- A predicate function should accept a single argument: an element from an [array-like object][array-like]. If the element satisfies a test condition, the predicate function should return true; otherwise, the predicate function should return false.
javascript
var isEven = require( '@stdlib/assert-is-even' );
var arraylikefcn = require( '@stdlib/assert-tools-array-like-function' );
var arr1;
var arr2;
var bool;
var f;
var i;
arr1 = new Array( 25 );
for ( i = 0; i < arr1.length; i++ ) {
arr1[ i ] = i;
}
arr2 = new Array( 25 );
for ( i = 0; i < arr2.length; i++ ) {
arr2[ i ] = 2 * i;
}
f = arraylikefcn( isEven );
bool = f( arr1 );
// returns false
bool = f( arr2 );
// returns true
