1;
=head1 Name
SPVM::Comparator::Long - Interface Type for long Comparation Callback
=head1 Usage
my $comparator = (Comparator::Long)method : int ($a : long, $b : long); {
return $a <=> $b;
};
my $result = $comparator->(3, 5);
=head1 Description
L<Comparator::Long|SPVM::Comparator::Long> is the interface type for the long comparation callback.
=head1 Interface Methods
C<required method : int ($a : long, $b : long);>
This method must receive two values that types are C<long> and return the following value.
If the first argument is greater than the second argument, returns 1. If the first argument is lower than the second argument, returns -1. If the first argument is equal to the second argument, returns 0.
=head1 Copyright & License
Copyright (c) 2023 Yuki Kimoto
MIT License