bind

# File ext/dl/lib/dl/import.rb, line 152
    def bind(signature, *opts, &blk)
      name, ctype, argtype = parse_signature(signature, @type_alias)
      h = parse_bind_options(opts)
      case h[:callback_type]
      when :bind, nil
        f = bind_function(name, ctype, argtype, h[:call_type], &blk)
      when :temp, :temporal
        f = create_temp_function(name, ctype, argtype, h[:call_type])
      when :carried
        f = create_carried_function(name, ctype, argtype, h[:call_type], h[:carrier])
      else
        raise(RuntimeError, "unknown callback type: #{h[:callback_type]}")
      end
      @func_map[name] = f
      #define_method(name){|*args,&block| f.call(*args,&block)}
      begin
        /^(.+?):(\d+)/ =~ caller.first
        file, line = $1, $2.to_i
      rescue
        file, line = __FILE__, __LINE__+3
      end
      module_eval(        def #{name}(*args,&block)          @func_map['#{name}'].call(*args,&block)        end, file, line)
      module_function(name)
      f
    end