Struct MapKeys

expr/builtins/list_map.go:336–336

MapKeys: Take a map and extract array of keys given input: {"tag.1":"news","tag.2":"sports"} mapkeys(match("tag.")) => []string{"news","sports"}

//    mapkeys(match("tag.")) => []string{"news","sports"}
//
type MapKeys struct{}

// Type []string aka strings
func (m *MapKeys) Type() value.ValueType { return value.StringsType }