go/src/net/http/cookiejar/punycode.go

const base …

const damp …

const initialBias …

const initialN …

const skew …

const tmax …

const tmin …

// encode encodes a string as specified in section 6.3 and prepends prefix to
// the result.
//
// The "while h < length(input)" line in the specification becomes "for
// remaining != 0" in the Go code, because len(s) in Go is in bytes, not runes.
func encode(prefix, s string) (string, error) { … }

func encodeDigit(digit int32) byte { … }

// adapt is the bias adaptation function specified in section 6.1.
func adapt(delta, numPoints int32, firstTime bool) int32 { … }

const acePrefix …

// toASCII converts a domain or domain label to its ASCII form. For example,
// toASCII("bücher.example.com") is "xn--bcher-kva.example.com", and
// toASCII("golang") is "golang".
func toASCII(s string) (string, error) { … }