Rebol 编程/??
外观
< Rebol 编程
?? 'name
打印变量名称及其模塑后的值。(用于调试)
?? 是一个函数值。
- name -- (类型:任何)
??: func [ {Prints a variable name followed by its molded value. (for debugging)} 'name ][ print either word? :name [head insert tail form name reduce [": " mold name: get name]] [mold :name] :name ]