X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=README;h=3d06797e8dea3cd1a3e648401fabd6a3b9127f42;hb=5fdeb92242a43f433041c8d620f0f118bf218c88;hp=dc8dc8101abe080f53586d602cd0c9d5113411b4;hpb=53e92ec5277d51ae5e1726f8153b87353bb14665;p=p5sagit%2Fnamespace-clean.git diff --git a/README b/README index dc8dc81..3d06797 100644 --- a/README +++ b/README @@ -2,7 +2,7 @@ NAME namespace::clean - Keep imports and functions out of your namespace VERSION - 0.04 + 0.10 SYNOPSIS package Foo; @@ -35,6 +35,7 @@ SYNOPSIS 1; DESCRIPTION + Keeping packages clean When you define a function, or import one, into a Perl package, it will naturally also be available as a method. This does not per se cause problems, but it can complicate subclassing and, for example, plugin @@ -50,20 +51,53 @@ DESCRIPTION collecting functions for the next "use namespace::clean;" specification. You can use the "-except" flag to tell "namespace::clean" that you don't - want it to remove a certain function. A common use would be a module - exporting an "import" method along with some functions: + want it to remove a certain function or method. A common use would be a + module exporting an "import" method along with some functions: use ModuleExportingImport; use namespace::clean -except => [qw( import )]; + If you just want to "-except" a single sub, you can pass it directly. + For more than one value you have to use an array reference. + + Explicitely removing functions when your scope is compiled + It is also possible to explicitely tell "namespace::clean" what packages + to remove when the surrounding scope has finished compiling. Here is an + example: + + package Foo; + use strict; + + # blessed NOT available + + sub my_class { + use Scalar::Util qw( blessed ); + use namespace::clean qw( blessed ); + + # blessed available + return blessed shift; + } + + # blessed NOT available + + Moose + When using "namespace::clean" together with Moose you want to keep the + installed "meta" method. So your classes should look like: + + package Foo; + use Moose; + use namespace::clean -except => 'meta'; + ... + + Same goes for Moose::Role. + METHODS You shouldn't need to call any of these. Just "use" the package at the appropriate place. import - Makes a snapshot of the current defined functions and registers a - Filter::EOF cleanup routine to remove those symbols at the end of the - compile-time. + Makes a snapshot of the current defined functions and installs a + B::Hooks::EndOfScope hook in the current scope to invoke the cleanups. unimport This method will be called when you do a @@ -88,7 +122,8 @@ IMPLEMENTATION DETAILS will remove the "foo" symbol from $SomePackage for run time lookups (e.g., method calls) but will leave the entry alive to be called by - already resolved names in the package itself. + already resolved names in the package itself. "namespace::clean" will + restore and therefor in effect keep all glob slots that aren't "CODE". A test file has been added to the perl core to ensure that this behaviour will be stable in future releases. @@ -97,7 +132,7 @@ IMPLEMENTATION DETAILS use "undef" instead. SEE ALSO - Filter::EOF + B::Hooks::EndOfScope AUTHOR AND COPYRIGHT Robert 'phaylon' Sedlacek "", with many thanks to Matt S