NAME

SPVM::Comparator::Double - A Callback Type for double Comparation

SYNOPSYS

use Comparator::Double;

my $comparator : Comparator::Double = method : int ($a : double, $b : double); {
  return $a <=> $b;
};

my $result = $comparator->(3, 5);

DESCRIPTION

Comparator::Double is a callback type to compare two double values.

CALLBACK METHOD

method : int ($a : double, $b : double);

The implementation must receive two numbers and return 1 if $a is more than $b, -1 if $x is less than $b, 0 if $a equals $b in the implementation.