pkg syscall (darwin-arm64), const AF_DATAKIT = 9
pkg syscall (darwin-arm64), const AF_DATAKIT ideal-int
pkg syscall (darwin-arm64), const AF_DECnet = 12
pkg syscall (darwin-arm64), const AF_DECnet ideal-int
pkg syscall (darwin-arm64), const AF_DLI = 13
pkg syscall (darwin-arm64), const AF_DLI ideal-int
pkg syscall (darwin-arm64), const AF_E164 = 28
pkg syscall (darwin-arm64), const AF_E164 ideal-int

pkg crypto/ed25519, func NewKeyFromSeed([]uint8) PrivateKey
pkg crypto/ed25519, func Sign(PrivateKey, []uint8) []uint8
pkg crypto/ed25519, func Verify(PublicKey, []uint8, []uint8) bool
pkg crypto/ed25519, method (PrivateKey) Public() crypto.PublicKey
pkg crypto/ed25519, method (PrivateKey) Seed() []uint8
pkg crypto/ed25519, method (PrivateKey) Sign(io.Reader, []uint8, crypto.SignerOpts) ([]uint8, error)
pkg crypto/ed25519, type PrivateKey []uint8

and -1 for signed and untyped constants.
</p>

<pre>
^1         // untyped integer constant, equal to -2
uint8(^1)  // illegal: same as uint8(-2), -2 cannot be represented as a uint8
^uint8(1)  // typed uint8 constant, same as 0xFF ^ uint8(1) = uint8(0xFE)
int8(^1)   // same as int8(-2)
^int8(1)   // same as -1 ^ int8(1) = -2
</pre>

<p>
Implementation restriction: A compiler may use rounding while