WriteAt
method WriteAt(p: Slice<Byte>; off: int64): tuple of (n: Int64, err: error)
(Int64 n, error err) WriteAt(Slice<Byte> p, int64 off)
func WriteAt(_ p: Slice<Byte>, _ off: int64) -> (Int64, error)
func WriteAt(p Slice<Byte>, off int64) tuple of (|name=n| Int64, |name=err| error)
Function WriteAt(p As Slice<Byte>, off As int64) As Tuple (Of Int64, error)
Parameters: