module NRB::Support::Concern

Public Instance Methods

append_features(base) click to toggle source
Calls superclass method
# File lib/nrb/support/concern.rb, line 16
def append_features(base)
  if base.instance_variable_defined?(:@_dependencies)
    base.instance_variable_get(:@_dependencies) << self
    return false
  else
    return false if base < self
    @_dependencies.each { |dep| base.send(:include, dep) }
    super
    base.extend const_get(:ClassMethods) if const_defined?(:ClassMethods)
    base.class_eval(&@_included_block) if instance_variable_defined?(:@_included_block)
  end
end
class_methods(&class_methods_module_definition) click to toggle source
# File lib/nrb/support/concern.rb, line 40
def class_methods(&class_methods_module_definition)
  mod = const_defined?(:ClassMethods) ?
  const_get(:ClassMethods) :
  const_set(:ClassMethods, Module.new)
  mod.module_eval(&class_methods_module_definition)
end
included(base = nil, &block) click to toggle source
Calls superclass method
# File lib/nrb/support/concern.rb, line 30
def included(base = nil, &block)
  if base.nil?
    raise MultipleIncludedBlocks if instance_variable_defined?(:@_included_block)
    @_included_block = block
  else
    super
  end
end