package locodecolumn import ( "github.com/nspcc-dev/neofs-node/pkg/util/locode" ) const countryCodeLen = 2 // CountryCode represents ISO 3166 alpha-2 Country Code. type CountryCode [countryCodeLen]uint8 // Symbols returns digits of the country code. func (cc *CountryCode) Symbols() [countryCodeLen]uint8 { return *cc } // CountryCodeFromString parses string and returns country code. func CountryCodeFromString(s string) (*CountryCode, error) { if len(s) != countryCodeLen { return nil, locode.ErrInvalidString } for i := range s { if !isUpperAlpha(s[i]) { return nil, locode.ErrInvalidString } } cc := CountryCode{} copy(cc[:], s) return &cc, nil }