// console.log(spanner.next(100)); // 输出1（正确）
pointed to by val. An error is returned in case there is no argument or the
，这一点在safew官方版本下载中也有详细论述
cd secure-env-demo
func (opt *Option) ArgIntVar(val *int) error
Defunding Chile’s climate research will undermine science and the region
· 周杰 · 来源：tutorial资讯