Golang Tag.SetTypeForKey示例

示例#1

文件： colltab.go 项目： Zhoutall/beats

// parent computes the structural parent. This means inheritance may change
// script. So, unlike the CLDR parent, parent(zh-Hant) == zh.
func parent(t language.Tag) language.Tag {
	if t.TypeForKey("va") != "" {
		t, _ = t.SetTypeForKey("va", "")
		return t
	}
	result := language.Und
	if b, s, r := t.Raw(); (r != language.Region{}) {
		result, _ = language.Raw.Compose(b, s, t.Extensions())
	} else if (s != language.Script{}) {
		result, _ = language.Raw.Compose(b, t.Extensions())
	} else if (b != language.Base{}) {
		result, _ = language.Raw.Compose(t.Extensions())
	}
	return result
}