NAME
SPVM::Stringer - A Callback Yype to Stringify a Object
SYNOPSYS
use Stringer;
my $stringer : Stringer = method : string ($object : object) {
my $point = (Point)$object;
my $x = $point->x;
my $y = $point->y;
my $string = "($x, $y)";
return $string;
};
my $point = Point->new(1, 2);
my $string = $stringer->($point);
DESCRIPTION
Stringer is a callback type to stringify a object.
CALLBACK METHOD
method : string ($object : object)
The implementation must receive a object and return the string expression.