Ideas about binding.of_caller

main.rb

require 'binding_of_caller'
module A
    refine String do
        def plusmeow
            self + 'meow'
        end
        def test_method
            make(self, 'p a; p b; p c; p this.plusmeow', :b, :c)
        end
    end
end

def make(this, s, *params1)
    ->(*params2) {
        p1size = params1.size
        p2size = params2.size
        raise ArgumentError.new("(#{p2size} for #{p1size})") if p1size != p2size
        _binding = binding.of_caller(1).clone
        params1.each_with_index { |param, i|
          _binding.local_variable_set param, params2[i]
        }
        _binding.local_variable_set :this, this
        _binding.eval s
    }
end

using A
a = 1
"meow".test_method[2, 2]