一、把同一类的用()括起来

type scope uint8const (    scopeInterfaceLocal scope = 0x1    scopeLinkLocal      scope = 0x2    scopeAdminLocal     scope = 0x4    scopeSiteLocal      scope = 0x5    scopeOrgLocal       scope = 0x8    scopeGlobal         scope = 0xe)

这是go语言源码包对于scope的几种常量设置。