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def dump_class x
puts "-- #{x.name}"
p x.instance_methods(false).sort
p x.singleton_methods(false).sort
p x.ancestors
puts
end
dump_class Struct
StructC = Struct.new(:foo)
dump_class StructC
C = Class.new(StructC)
dump_class C
puts "-- C.new"
p C.new
puts
# remove new() on StructC's singleton:
class StructC
class << self
remove_method :new
end
end
# create a structure that derives from an existing one:
StructD = StructC.new(:xxx, :yyy)
dump_class StructD
D = Class.new(StructD)
dump_class D
puts "-- D"
p D.new
puts
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