Struct equalMultiStringMapMatcher

model/labels/regexp.go:881–891

equalMultiStringMapMatcher matches a string exactly against a map of valid values or against a set of prefix matchers.

// equalMultiStringMapMatcher matches a string exactly against a map of valid values
// or against a set of prefix matchers.
type equalMultiStringMapMatcher struct {
	// values contains values to match a string against. If the matching is case insensitive,
	// the values here must be lowercase.
	values map[string]struct{}
	// prefixes maps strings, all of length minPrefixLen, to sets of matchers to check the rest of the string.
	// If the matching is case insensitive, prefixes are all lowercase.
	prefixes map[string][]StringMatcher
	// minPrefixLen can be zero, meaning there are no prefix matchers.
	minPrefixLen  int
	caseSensitive bool
}

func (m *equalMultiStringMapMatcher) add(s string) {
	if !m.caseSensitive {