assert(0o_1234 == 01234)
	assert(0o0123_4567 == 01234567)

	assert(0O_0 == 0)
	assert(0O_1234 == 01234)
	assert(0O0123_4567 == 01234567)

	// binaries
	assert(0b0 == 0)
	assert(0b1011 == 0xb)
	assert(0b00101101 == 0x2d)

	assert(0B0 == 0)
	assert(0B1011 == 0xb)
	assert(0B00101101 == 0x2d)

	assert(0b_0 == 0)
	assert(0b10_11 == 0xb)
	assert(0b_0010_1101 == 0x2d)

	// decimal floats

        assertSuccess(parser("0X0"))
        assertSuccess(parser("0Xff_ee"))
        assertSuccess(parser("0Xabc_e"))

        // binary numbers
        assertSuccess(parser("0b0"))
        assertSuccess(parser("0B0"))
        assertSuccess(parser("0b101010"))
        assertSuccess(parser("0b10101_0"))

        assertFailure(
            parser("bar"),

	case Bool, Int, Uint, Int8, Uint8, Int16, Uint16, Int32, Uint32, Uintptr:
		return a.assignIntN(offset, t.Size(), 1, 0b0)
	case Int64, Uint64:
		switch goarch.PtrSize {
		case 4:
			return a.assignIntN(offset, 4, 2, 0b0)
		case 8:
			return a.assignIntN(offset, 8, 1, 0b0)
		}
	case Float32, Float64:
		return a.assignFloatN(offset, t.Size(), 1)
	case Complex64:
		return a.assignFloatN(offset, 4, 2)

		{"1p10", 1 << 10},
		{"1p+10", 1 << 10},
		{"+1p-10", 1.0 / (1 << 10)},
		{"1024p-12", 0.25},
		{"-1p10", -1024},
		{"1.5p1", 3},

		// binary mantissa, decimal exponent
		{"0b0", 0},
		{"-0b0", -zero_},
		{"0b0e+10", 0},
		{"-0b0e-10", -zero_},
		{"0b1010", 10},
		{"0B1010E2", 1000},
		{"0b.1", 0.5},
		{"0b.001", 0.125},
		{"0b.001e3", 125},

		// binary mantissa, binary exponent

	`0O01234567 = 01234567`,

	`0o_0 = 0`,
	`0o_1234 = 01234`,
	`0o0123_4567 = 01234567`,

	`0O_0 = 0`,
	`0O_1234 = 01234`,
	`0O0123_4567 = 01234567`,

	// binaries
	`0b0 = 0`,
	`0b1011 = 0xb`,
	`0b00101101 = 0x2d`,

	`0B0 = 0`,
	`0B1011 = 0xb`,
	`0B00101101 = 0x2d`,

	`0b_0 = 0`,
	`0b10_11 = 0xb`,
	`0b_0010_1101 = 0x2d`,
}

		}
	}
}

func TestNumbers(t *testing.T) {
	for _, test := range []struct {
		kind             LitKind
		src, tokens, err string
	}{
		// binaries
		{IntLit, "0b0", "0b0", ""},
		{IntLit, "0b1010", "0b1010", ""},
		{IntLit, "0B1110", "0B1110", ""},

		{IntLit, "0b", "0b", "binary literal has no digits"},
		{IntLit, "0b0190", "0b0190", "invalid digit '9' in binary literal"},

	for r := s.Scan(); r != EOF; r = s.Scan() {
	}
}

func TestNumbers(t *testing.T) {
	for _, test := range []struct {
		tok              rune
		src, tokens, err string
	}{
		// binaries
		{Int, "0b0", "0b0", ""},
		{Int, "0b1010", "0b1010", ""},
		{Int, "0B1110", "0B1110", ""},

		{Int, "0b", "0b", "binary literal has no digits"},
		{Int, "0b0190", "0b0190", "invalid digit '9' in binary literal"},

				}
			}
		})
	}
}

func TestNumbers(t *testing.T) {
	for _, test := range []struct {
		tok              token.Token
		src, tokens, err string
	}{
		// binaries
		{token.INT, "0b0", "0b0", ""},
		{token.INT, "0b1010", "0b1010", ""},
		{token.INT, "0B1110", "0B1110", ""},

		{token.INT, "0b", "0b", "binary literal has no digits"},
		{token.INT, "0b0190", "0b0190", "invalid digit '9' in binary literal"},

  // the operation has Options in the serialized FlatBuffer.

  // Whether the TFLite operator has options in the schema representation.
  bit hasOptions = 0b0;
  // Whether the TFLite operator has options2 in the schema representation.
  bit hasOptions2 = 0b0;

  // Use to specify a custom options type for TFLite operators where
  // the option's name does not match the TFLite operator's name.