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Consume an entire iterator and return the last iterated value.
import iterLast from 'https://cdn.jsdelivr.net/gh/stdlib-js/iter-last@deno/mod.js';
Consumes an entire iterator and returns the last iterated value.
import array2iterator from 'https://cdn.jsdelivr.net/gh/stdlib-js/array-to-iterator@deno/mod.js';
var arr = array2iterator( [ 0, 0, 0, 0, 1 ] );
var v = iterLast( arr );
// returns 1
If a provided iterator
does not return any iterated values, the function returns undefined
.
import iterEmpty from 'https://cdn.jsdelivr.net/gh/stdlib-js/iter-empty@deno/mod.js';
var v = iterLast( iterEmpty() );
// returns undefined
import randu from 'https://cdn.jsdelivr.net/gh/stdlib-js/random-iter-randu@deno/mod.js';
import iterMap from 'https://cdn.jsdelivr.net/gh/stdlib-js/iter-map@deno/mod.js';
import iterLast from 'https://cdn.jsdelivr.net/gh/stdlib-js/iter-last@deno/mod.js';
function threshold( r ) {
return ( r > 0.95 );
}
// Create an iterator which generates uniformly distributed pseudorandom numbers:
var opts = {
'iter': 100
};
var riter = randu( opts );
// Create an iterator which applies a threshold to generated numbers:
var miter = iterMap( riter, threshold );
// Return the last threshold result:
var bool = iterLast( miter );
// returns <boolean>
console.log( bool );
@stdlib/iter-first
: return the first iterated value.@stdlib/iter-nth
: return the nth iterated value.
This package is part of stdlib, a standard library 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.
See LICENSE.
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