overloading.3perl

Langue: en

Version: 2009-07-16 (ubuntu - 24/10/10)

Section: 3 (Bibliothèques de fonctions)

NAME

overloading - perl pragma to lexically control overloading

SYNOPSIS

     {
         no overloading;
         my $str = "$object"; # doesn't call stringification overload
     }
 
     # it's lexical, so this stringifies:
     warn "$object";
 
     # it can be enabled per op
     no overloading qw("");
     warn "$object";
 
     # and also reenabled
     use overloading;
 
 

DESCRIPTION

This pragma allows you to lexically disable or enable overloading.
"no overloading"
Disables overloading entirely in the current lexical scope.
"no overloading @ops"
Disables only specific overloads in the current lexical scope.
"use overloading"
Reenables overloading in the current lexical scope.
"use overloading @ops"
Reenables overloading only for specific ops in the current lexical scope.