installer-core(8) BSD System Manager's Manual installer-core(8)NAME
installer-core -- helper for installer tool
SYNOPSIS
installer-core
DESCRIPTION
installer-core is used by installer(8). It is not meant to be invoked directly.
SEE ALSO installer(8)Mac OS September 20, 2010 Mac OS
Check Out this Related Man Page
Sub::Exporter::ForMethods(3pm) User Contributed Perl Documentation Sub::Exporter::ForMethods(3pm)NAME
Sub::Exporter::ForMethods - helper routines for using Sub::Exporter to build methods
VERSION
version 0.091970
SYNOPSIS
In an exporting library:
package Method::Builder;
use Sub::Exporter::ForMethods qw(method_installer);
use Sub::Exporter -setup => {
exports => [ method => '_method_generator' ],
installer => method_installer,
};
sub _method_generator {
my ($self, $name, $arg, $col) = @_;
return sub { ... };
};
In an importing library:
package Vehicle::Autobot;
use Method::Builder method => { -as => 'transform' };
DESCRIPTION
The synopsis section, above, looks almost indistinguishable from any other use of Sub::Exporter, apart from the use of "method_installer".
It is nearly indistinguishable in behavior, too. The only change is that subroutines exported from Method::Builder into named slots in
Vehicle::Autobot will be wrapped in a subroutine called "Vehicle::Autobot::transform". This will insert a named frame into stack traces to
aid in debugging.
More importantly (for the author, anyway), they will not be removed by namespace::autoclean. This makes the following code work:
package MyLibrary;
use Math::Trig qw(tan); # uses Exporter.pm
use String::Truncate qw(trunc); # uses Sub::Exporter's defaults
use Sub::Exporter::ForMethods qw(method_installer);
use Mixin::Linewise { installer => method_installer }, qw(read_file);
use namespace::autoclean;
...
1;
After MyLibrary is compiled, "namespace::autoclean" will remove "tan" and "trunc" as foreign contaminants, but will leave "read_file" in
place. It will also remove "method_installer", an added win.
EXPORTS
Sub::Exporter::ForMethods offers only one routine for export, and it may also be called by its full package name:
method_installer
This routine returns an installer suitable for use as the "installer" argument to Sub::Exporter. It updates the "@to_export" argument to
wrap all code that will be installed by name in a named subroutine, then passes control to the default Sub::Exporter installer.
AUTHOR
Ricardo Signes <rjbs@cpan.org>
COPYRIGHT AND LICENSE
This software is copyright (c) 2009 by Ricardo Signes.
This is free software; you can redistribute it and/or modify it under the same terms as perl itself.
perl v5.10.1 2009-07-16 Sub::Exporter::ForMethods(3pm)
Manufacturer Links
General Information
Home Page: IBM United States
Documentation/Information: IBM System p - UNIX servers: Support and services
pSeries and AIX Information Center
Developerworks AIX Wiki: AIX Wiki
AIX for System Administrators
In-depth information from IBM:
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