/// New creates and initializes a new instance of Scanner using src as
/// its source content.
public static Scanner New(slice <byte> src)
{
// even though we accept a src, we read from a io.Reader compatible type
// (*bytes.Buffer). So in the future we might easily change it to streaming
// read.
var b = GoBuffer.NewBuffer(src);
var s = new Scanner
{
_buf = b,
_src = src,
};
// srcPosition always starts with 1
s._srcPos.Line = 1;
return(s);
}