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installer-core(8) [osx man page]

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

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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)
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