HH\Vector::__toString
Returns the string version of the current Vector, which is "Vector"
public function __toString(): string;
Returns
string- The string"Vector".
Examples
The string version of an ImmVector is always "ImmVector":
$iv = ImmVector {1, 2, 3};
echo $iv."\n";
$iv2 = ImmVector {'a', 'b', 'c'};
echo $iv2."\n";
$iv3 = ImmVector {};
echo $iv3."\n";
ImmVector
ImmVector
ImmVector