<?php
namespace PHPixme;
/**
* map
* @param callable $hof
* @param array|FunctorInterface|\Traversable $collection
* @return \Closure|$collection
*/
function walk($hof = null, $collection = null)
{
return call_user_func_array(__PRIVATE__::$instance[walk], func_get_args());
}
const walk = __NAMESPACE__ . '\\walk';
__PRIVATE__::$instance[walk] = __PRIVATE__::curryExactly2(function ($hof, $collection) {
__CONTRACT__::argIsACallable($hof);
__CONTRACT__::argIsATraversable($collection, 1);
if ($collection instanceof FunctorInterface) {
return $collection->walk($hof);
}
$array = __PRIVATE__::getArrayFrom($collection);
if ($array !== null) {
array_walk($array, $hof, $collection);
} else {
foreach (__PRIVATE__::copyTransversable($collection) as $k => $v) {
call_user_func($hof, $v, $k, $collection);
}
}
return $collection;
});