Contents

# Metaid == a few simple metaclass helper
# (See http://whytheluckystiff.net/articles/seeingMetaclassesClearly.html.)
class Object
    # The hidden singleton lurks behind everyone
    def metaclass; class << self; self; end; end
    def meta_eval &blk; metaclass.instance_eval &blk; end

    # Adds methods to a metaclass
    def meta_def name, &blk
        meta_eval { define_method name, &blk }
    end
end

class Module
    # Defines an instance method within a module
    def module_def name, &blk
        module_eval { define_method name, &blk }
    end
end

class Class
    alias class_def module_def
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
sequel-0.1.9.2	lib/sequel/metaid.rb