Serena

class OuterClass def initialize @value = "outer" end def outer_method inner_function = lambda do |x| x * 2 end result = inner_function.call(5) puts "Result: #{result}" end class NestedClass def initialize(name) @name = name end def find_me "Found in NestedClass: #{@name}" end def nested_method puts "Nested method called" end class DeeplyNested def deep_method "Deep inside" end end end module NestedModule def module_method "Module method" end class ModuleClass def module_class_method "Module class method" end end end end # Test usage of nested classes outer = OuterClass.new nested = OuterClass::NestedClass.new("test") result = nested.find_me