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@stdlib/assert-tools-typed-array-function

v0.2.2

Published

Return a function which tests if every element in a typed array passes a test condition.

Downloads

20

Readme

Typed Array Function

NPM version Build Status Coverage Status

Return a function which tests if every element in a typed array passes a test condition.

Installation

npm install @stdlib/assert-tools-typed-array-function

Usage

var typedarrayfcn = require( '@stdlib/assert-tools-typed-array-function' );

typedarrayfcn( predicate )

Returns a function which tests if every element in a typed array passes a test condition. Given an input typed array, the function returns true if all elements pass the test and false otherwise.

var isOdd = require( '@stdlib/assert-is-odd' );
var Int32Array = require( '@stdlib/array-int32' );

var arr1 = new Int32Array( [ 1, 3, 5, 7 ] );
var arr2 = new Int32Array( [ 3, 5, 8 ] );

var f = typedarrayfcn( isOdd );

var bool = f( arr1 );
// returns true

bool = f( arr2 );
// returns false

Notes

  • The returned function will return false if not provided a typed array.
  • The returned function will return false if provided an empty typed array.
  • A predicate function should accept a single argument: a typed array element. If the element satisfies a test condition, the predicate function should return true; otherwise, the predicate function should return false.

Examples

var isEven = require( '@stdlib/assert-is-even' );
var Int32Array = require( '@stdlib/array-int32' );
var typedarrayfcn = require( '@stdlib/assert-tools-typed-array-function' );

var arr1;
var arr2;
var bool;
var f;
var i;

arr1 = new Int32Array( 25 );
for ( i = 0; i < arr1.length; i++ ) {
    arr1[ i ] = i;
}

arr2 = new Int32Array( 25 );
for ( i = 0; i < arr2.length; i++ ) {
    arr2[ i ] = 2 * i;
}

f = typedarrayfcn( isEven );

bool = f( arr1 );
// returns false

bool = f( arr2 );
// returns true

Notice

This package is part of stdlib, a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.

For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.

Community

Chat


License

See LICENSE.

Copyright

Copyright © 2016-2024. The Stdlib Authors.