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SPVM-0.9016
River stage two • 23 direct dependents • 26 total dependents
31 ++
/ SPVM::Comparator::Long

NAME

SPVM::Comparator::Long - Comparator::Long in SPVM | a callback interface for long comparation

SYNOPSYS

  use Comparator::Long;
  
  my $comparator : Comparator::Long = method : int ($a : long, $b : long); {
    return $a <=> $b;
  };
  
  my $result = $comparator->(3, 5);

DESCRIPTION

Comparator::Long is a callback interface to compare two long values.

CALLBACK METHOD INTERFACE

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

This method 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.

This method is planned to be implemented in other classes.