/**
* @param array|callable $array_getter
* @param callable $iterators_getter WARNING: it's just a callable to chain on
* @return callable
*/
function array_chain_dg($array_getter, $iterators_getter)
{
$args = func_get_args();
$array_getter = callablize(array_shift($args));
$iterators_getters = $args;
return function () use($array_getter, $iterators_getters) {
$args = func_get_args();
$array = call_user_func_array($array_getter, $args);
$ret = call_user_func_array('array_chain', array_merge(array($array), $iterators_getters));
return $ret;
};
}
/**
* @param mixed $value
* @return callable
*/
function callablize_dg($value)
{
return function () use($value) {
return callablize($value);
};
}
/**
* @param string|callable $directory_getter
* @return callable
*/
function chdir_dg($directory_getter)
{
$directory_getter = callablize($directory_getter);
return function () use($directory_getter) {
$args = func_get_args();
$directory = call_user_func_array($directory_getter, $args);
debug_enforce(chdir($directory), "Could not change working directory to '{$directory}'");
};
}
