blob: 95173007cad25374a937981f7a26effe50b41d79 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
class Module
def delegate(*methods)
options = methods.pop
unless options.is_a?(Hash) && to = options[:to]
raise ArgumentError, "Delegation needs a target. Supply an options hash with a :to key"
end
methods.each do |method|
module_eval(<<-EOS, "(__DELEGATION__)", 1)
def #{method}(*args, &block)
#{to}.__send__(#{method.inspect}, *args, &block)
end
EOS
end
end
end
|
