func SortTags(tags []language.Tag)
SortTags sorts tags in place.
func UniqueTags(tags []language.Tag) []language.Tag
UniqueTags sorts and filters duplicate tags in place and returns a slice with only unique tags.
type InheritanceMatcher struct {
// contains filtered or unexported fields
}
func NewInheritanceMatcher(t []language.Tag) *InheritanceMatcher
NewInheritanceMatcher returns a matcher that matches based on the inheritance chain.
The matcher uses canonicalization and the parent relationship to find a match. The resulting match will always be either Und or a language with the same language and script as the requested language. It will not match languages for which there is understood to be mutual or one-directional intelligibility.
A Match will indicate an Exact match if the language matches after canonicalization and High if the matched tag is a parent.
func (m InheritanceMatcher) Match(want ...language.Tag) (language.Tag, int, language.Confidence)
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