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@ 2018-11-09T11:35:59Z

<?php

$initialGen = function () : iterable
{
yield 1;
yield 2;
yield 3;
};

var_dump($initialGen);

$initialGen = $initialGen();

var_dump($initialGen);

function map (callable $f, iterable $xs) : array {
    return [];
}

map(function ($x) { return $x * 2; }, $initialGen);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

43.74 ms | 1470 KiB | 5 Q