SPVM::Cloner - Interface Type for the Callback to Clone a Object

Name  Usage  Description  Interface Methodss  Class Methods  Copyright & License 

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Name

SPVM::Cloner − Interface Type for the Callback to Clone a Object

Usage

use Cloner;
use Point;
my $cloner = (Cloner)method : object ($object : object) {
my $point = (Point)$object;
my $cloned_point = Point−>new($point−>x, $point−>y);
return $cloned_point;
};
my $point = Point−>new(1, 2);
my $cloned_point = $cloner−>($point);

Description

Cloner is the interface type for the callback to clone an object.

Interface Methodss

"required method : object ($object : object);"

The implementation must receive an object and return the cloned object.

Class Methods

"static method default_cloner : Cloner ();"

Returns a default cloner.

The implementation of the default cloner is

method : object ($object : Cloneable) {
my $clone = (object)undef;
if ($object) {
$clone = $object−>clone;
}
return $clone;
};

If the object $object is undef, returns undef, ohterwise calls Cloneable#clone method and its return value.

Copyright & License

Copyright (c) 2023 Yuki Kimoto

MIT License

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