HH\Map::__toString
Returns the string version of the current Map, which is "Map"
public function __toString(): string;
Returns
string- Thestring"Map".
Examples
The string version of a Map is always "Map":
$m = Map {'a' => 1, 'b' => 2, 'c' => 3};
echo $m->__toString()."\n";
$m3 = Map {};
echo $m3->__toString()."\n";