Method: Module#heir_class

Defined in:
lib/y_support/core_ext/module/misc.rb

#heir_class(mother = Object, **parameters, &block) ⇒ Object

Creates a class, which is a subclass of a supplied class (defaults to Object if none supplied), and which also inherits from the receiver and is parametrized by the given set of parameters. The parameters have form { symbol: value } and they cause singleton method(s) named “symbol” be defined on the heir class, returning “value”.



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# File 'lib/y_support/core_ext/module/misc.rb', line 33

def heir_class mother=Object, **parameters, &block
  s = self
  Class.new( mother ) { include s }.tap do |c|
    parameters.each_pair { |symbol, value|
      c.define_singleton_method symbol do value end
    }
    # TODO: This line is controversial:
    c.define_singleton_method inspect do s.inspect + "<" end
    c.module_exec &block if block
  end
end