<?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;
});
namespace PHPixme;
/**
* @param callable $hof
* @param \Traversable= $traversable
* @return \Closure|mixed
* @sig Callable (a, b -> a) -> \Traversable[a,b] -> a
*/
function reduceRight($hof = null, $traversable = null)
{
return call_user_func_array(__PRIVATE__::$instance[reduceRight], func_get_args());
}
const reduceRight = __NAMESPACE__ . '\\reduceRight';
__PRIVATE__::$instance[reduceRight] = __PRIVATE__::curryExactly2(function ($hof, $arrayLike) {
__CONTRACT__::argIsACallable($hof);
__CONTRACT__::argIsATraversable($arrayLike, 1);
if ($arrayLike instanceof ReducibleInterface) {
return $arrayLike->reduceRight($hof);
}
// Equalize the usefulness
$array = __CONTRACT__::isNonEmpty(__PRIVATE__::traversableToArray($arrayLike));
$output = end($array);
$value = prev($array);
// Traverse using the internal pointer to avoid creating additional work
while (($key = key($array)) !== null) {
$output = call_user_func($hof, $output, $value, $key, $arrayLike);
$value = prev($array);
}
return $output;
});
<?php
namespace PHPixme;
/**
* @param callable $hof
* @param array|\Traversable|FunctorInterface $traversable
* @return \Closure|mixed
* @sig Callable (a -> b) -> \Traversable[a] -> \Traversable[b]
*
*/
function map($hof = null, $traversable = null)
{
return call_user_func_array(__PRIVATE__::$instance[map], func_get_args());
}
const map = __NAMESPACE__ . '\\map';
__PRIVATE__::$instance[map] = __PRIVATE__::curryExactly2(function ($hof, $traversable) {
__CONTRACT__::argIsACallable($hof);
__CONTRACT__::argIsATraversable($traversable, 1);
if ($traversable instanceof FunctorInterface) {
return $traversable->map($hof);
}
$output = [];
foreach (__PRIVATE__::protectTraversable($traversable) as $key => $value) {
$output[$key] = call_user_func($hof, $value, $key, $traversable);
}
return $output;
});
