/**
* @param callable $callable
* @return \Closure
*/
function bulkPool(callable $callable)
{
return function ($value) use($callable) {
if (!is_array($value) && !$value instanceof \Traversable) {
return false;
}
$args = func_get_args();
foreach ($value as $item) {
$args[0] = $item;
if (variadicCallBoolVal($callable, $args)) {
return true;
}
}
return false;
};
}
/**
* @param string $key
* @param callable $callback
* @return \Closure
*/
function keyApply($key, callable $callback)
{
if (!is_string($key)) {
return never();
}
return combine(hasKey($key), function ($item) use($key, $callback) {
$args = func_get_args();
$args[0] = polymorphicKeyValue($item, $key);
return variadicCallBoolVal($callback, $args);
});
}
/**
* @param callable[] $callbacks
* @return \Closure
*/
function poolMap(array $callbacks)
{
$callbacks = array_filter($callbacks, 'is_callable');
if (empty($callbacks)) {
return never();
}
return function ($item) use($callbacks) {
if (!is_array($item) && !is_object($item)) {
return false;
}
foreach ($callbacks as $key => $callback) {
if (variadicCallBoolVal(keyApply($key, $callback), func_get_args())) {
return true;
}
}
return false;
};
}
