Global

const BlockSize: Int64 = 16;

const Int64 BlockSize = 16

static let BlockSize: Int64 = 16

const BlockSize Int64 =  = 16

Dim BlockSize As Int64 = 16

// .NET, Island
class method NewCipher(key: Slice<Byte>): tuple of (Block, error)
// .NET Standard 2.0
class method NewCipher(key: Slice<Byte>): ValueTuple<Block, error>

// .NET, Island
static (Block, error) NewCipher(Slice<Byte> key)
// .NET Standard 2.0
static ValueTuple<Block, error> NewCipher(Slice<Byte> key)

// .NET, Island
static func NewCipher(_ key: Slice<Byte>) -> (Block, error)
// .NET Standard 2.0
static func NewCipher(_ key: Slice<Byte>) -> ValueTuple<Block, error>

// .NET, Island
func NewCipher(key Slice<Byte>) (Block, error)
// .NET Standard 2.0
func NewCipher(key Slice<Byte>) ValueTuple<Block, error>

// .NET, Island
Shared Function NewCipher(key As Slice<Byte>) As Tuple (Of Block, error)
// .NET Standard 2.0
Shared Function NewCipher(key As Slice<Byte>) As ValueTuple<Block, error>