Name

SPVM::Scope::Guard - Executing Handler at End of Scope

Usage

  use Scope::Guard;
  
  # Executing the handler at the end of the scope
  {
    my $guard = Scope::Guard->new(method : void () {
      print "End of Scope\n";
    });
    
    print "Foo";
  }
  
  # With a capture
  {
    my $value = 1;
    my $guard = Scope::Guard->new([$value : int] method : void () {
      print "$value\n";
    });
    
    print "Foo";
  }

Description

Scope::Guard provides a feature to execue a hander at the end of the scope.

Fields

handler

  has handler : ro Scope::Guard::Handler;

A handler. The type is Scope::Guard::Handler.

dismiss

  has dismiss : rw byte;

Gets and sets dismiss field. See the "DESTROY" method about the behavior.

Class Methods

new

  static method new : Scope::Guard ($handler : Scope::Guard::Handler);

Creates a new Scope::Guard object and returns it.

The $handler is set to the "handler" field.

The $handler is a Scope::Guard::Handler object.

Exceptions:

The $handler must be defined.

Instance Methods

DESTROY

  method DESTROY : void ();

Executes the "handler".

If "dismiss" is true, the handler is not executed.

See Also

Scope::Guard

SPVM::Scope::Guard is a port of Perl's Scope::Guard to SPVM.