indifferent_eval:Ruby 库 DSL 的块评估模式

冷漠评价 当您制作 Ruby DSL 时，您通常必须在以下各项之间做出决定： # Use a block variable to access the MyConfig instance. # This gives you the benefit of having access to the outer "self" inside of the block. MyApp . config do | config | config . verbosity true config . foo :bar end 和： # Don't pass a block variable. All method calls are sent to the MyConfig instance. # This has the benefit of looking really