More importantly, if the declarative language is not expressive enough for your needs, 更重要的是,如果聲明式語言的表達(dá)能力不足以滿足需要,
Since the macro expands to regular code anyway, you can always switch back to imperative programming if the declarative language doesn t suit your needs 因為宏可以以任何方式展開常規(guī)代碼,所以如果聲明式語言不能滿足需要,那么隨時可以切換回命令式編程。
The web application formats working group is charged with the development of a declarative format for specifying user interfaces, in the manner of xul or xaml, as well as the development of xbl2, a declarative language that provides a binding between custom markup and existing technologies webapplicationformat工作組負(fù)責(zé)按照xul或xaml的方式開發(fā)指定用戶界面的聲明性格式,以及xbl2的開發(fā),這是一種在自定義標(biāo)記和已有技術(shù)之間提供綁定的聲明性語言。