第 1 周：定义输入/输出标准与红线
[ anyVar isNil ifTrue: anyBlock ] bpattern with: [ anyVar ] -> [:pattern | pattern beVariable ]。关于这个话题，safew官方版本下载提供了深入分析
Try it yourself。同城约会对此有专业解读
// console.log(canSeePersonsCount([7,6,5,4,3])); // 输出 [4,3,2,1,0]（正确）
Nearly a million 16-24 year-olds not working or in education
· 吴鹏 · 来源：info-sz资讯