Аналогичное решение, но чуть более автоматическое. Я понятия не имею, какие странные вещи могут случиться, хотя.
module Foo
def m1
puts "Hello from m1"
end
def m2
puts "Hllo from m2"
end
end
class Module
alias :__include__ :include
def include(mod, *methods)
if methods.size > 0
tmp = mod.dup
new_mod = Object.const_set("Mod#{tmp.object_id}", tmp)
toremove = new_mod.instance_methods.reject { |m| methods.include? m.to_sym }
toremove.each { |m| new_mod.send(:undef_method, m) }
__include__(new_mod)
else
__include__(mod)
end
end
end
class Bar
include Foo
end
class Baz
include Foo, :m2
end
bar = Bar.new
baz = Baz.new
p bar.methods - Object.methods
p baz.methods - Object.methods
=>
["m1", "m2"]
["m2"]