/**
* f\rename_keys($coll, $keysMap)
*
* Returns a new coll with the keys from keysMap renamed.
*
* f\rename_keys(array('a' => 1, 'b' => 2), array('a' => 'c', 'b' => 'd'))
* => array('c' => 1, 'd' => 2)
*/
function rename_keys($coll, $keysMap)
{
if (f\not($keysMap)) {
return $coll;
}
$from = f\first(f\keys($keysMap));
$to = f\first($keysMap);
return f\rename_keys(f\rename_key($coll, $from, $to), f\dissoc($keysMap, $from));
}
/**
* @dataProvider provideEmptyColl
*/
public function testEmptyCollection($collection)
{
$this->assertSame(array(), f\keys($collection));
}
/**
* @Given /^there is a user "([^"]*)" with password "([^"]*)"$/
*/
public function thereIsAUserWithPassword($username, $password)
{
$this->users[] = ['id' => count($this->users) ? f\last(f\keys($this->users)) : 1, 'username' => $username, 'password' => $password];
}
/**
* f\drop_last($coll)
*
* Returns an array based on coll with the last element removed.
*
* f\drop_last(array('a' => 1, 'b' => 2));
* => array('a' => 1)
*/
function drop_last($coll)
{
$result = f\to_array($coll);
unset($result[f\last(f\keys($result))]);
return $result;
}