Package Exports

@stdlib/ndarray-iter-to-array-each
@stdlib/ndarray-iter-to-array-each/dist
@stdlib/ndarray-iter-to-array-each/dist/index.js
@stdlib/ndarray-iter-to-array-each/lib/index.js

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Readme

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nditer2arrayEach

Create an iterator which converts each iterated ndarray to a generic array.

Installation

npm install @stdlib/ndarray-iter-to-array-each

Usage

var nditer2arrayEach = require( '@stdlib/ndarray-iter-to-array-each' );

nditer2arrayEach( iterator )

Returns an iterator which converts each iterated ndarray to a generic array (which may include nested arrays).

var array = require( '@stdlib/ndarray-array' );
var nditerRows = require( '@stdlib/ndarray-iter-rows' );

var x = array( [ [ [ 1, 2 ], [ 3, 4 ] ], [ [ 5, 6 ], [ 7, 8 ] ] ] );
// returns <ndarray>

var iter = nditer2arrayEach( nditerRows( x ) );

var v = iter.next().value;
// returns [ 1, 2 ]

v = iter.next().value;
// returns [ 3, 4 ]

v = iter.next().value;
// returns [ 5, 6 ]

// ...

The returned iterator protocol-compliant object has the following properties:

next: function which returns an iterator protocol-compliant object containing the next iterated value (if one exists) assigned to a value property and a done property having a boolean value indicating whether the iterator is finished.
return: function which closes an iterator and returns a single (optional) argument in an iterator protocol-compliant object.

Notes

If an environment supports Symbol.iterator and a provided iterator is iterable, the returned iterator is iterable.

Examples

var array = require( '@stdlib/ndarray-array' );
var zeroTo = require( '@stdlib/array-base-zero-to' );
var nditerRows = require( '@stdlib/ndarray-iter-rows' );
var nditer2arrayEach = require( '@stdlib/ndarray-iter-to-array-each' );

// Define an input array:
var x = array( zeroTo( 27 ), {
    'shape': [ 3, 3, 3 ]
});

// Create an iterator for iterating over rows and converting to generic arrays:
var it = nditer2arrayEach( nditerRows( x ) );

// Perform manual iteration...
var v;
while ( true ) {
    v = it.next();
    if ( v.done ) {
        break;
    }
    console.log( v.value );
}

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

License

See LICENSE.

@stdlib/ndarray-iter-to-array-each