Type class desugaring via dictionary passing: Haskell-style type classes
Фото: Esam Al-Fetori / Reuters。体育直播对此有专业解读
Rebecca Morelle,Science Editorand，详情可参考WPS官方版本下载
This metaphor has been present in essentially every Smalltalk with a full IDE (and yes: there are Smalltalk systems without a traditional IDE, like GemStone or GNU Smalltalk). It has collected both praise and criticism. What’s striking is that it has not been displaced.