OOP WG:面向对象编程工作组的协作空间 源码

面向对象编程工作组 (此存储库是R包) 这些想法已在此存储库中托管的R7包中实现。 类和对象 library( R7 ) range <- class_new( " range " , constructor = function ( start , end ) { object_new( start = start , end = end ) }, validator = function ( x ) { if ( x @ end < x @ start ) { " `end` must be greater than or equal to `start` " } }, properties = list ( start = " numeric " , end = " numeric " , proper