Function format [src]

Prototype

pub fn format(se: HexEscape, w: *std.Io.Writer) std.Io.Writer.Error!void

Parameters

se: HexEscapew: *std.Io.Writer

Source

  pub fn format(se: HexEscape, w: *std.Io.Writer) std.Io.Writer.Error!void {
    const charset = se.charset;

    var buf: [4]u8 = undefined;
    buf[0] = '\\';
    buf[1] = 'x';

    for (se.bytes) |c| {
        if (std.ascii.isPrint(c)) {
            try w.writeByte(c);
        } else {
            buf[2] = charset[c >> 4];
            buf[3] = charset[c & 15];
            try w.writeAll(&buf);
        }
    }
}  