pkg debug/elf, type SectionHeader struct, FileSize uint64
pkg encoding/asn1, const ClassApplication = 1
pkg encoding/asn1, const ClassApplication ideal-int
pkg encoding/asn1, const ClassContextSpecific = 2
pkg encoding/asn1, const ClassContextSpecific ideal-int
pkg encoding/asn1, const ClassPrivate = 3
pkg encoding/asn1, const ClassPrivate ideal-int
pkg encoding/asn1, const ClassUniversal = 0

			v.Set(reflect.ValueOf(result))
		}
		return
	}

	t, offset, err := parseTagAndLength(bytes, offset)
	if err != nil {
		return
	}
	if params.explicit {
		expectedClass := ClassContextSpecific
		if params.application {
			expectedClass = ClassApplication
		}
		if offset == len(bytes) {
			err = StructuralError{"explicit tag has no child"}
			return
		}

	class := ClassUniversal
	if params.tag != nil {
		if params.application {
			class = ClassApplication
		} else if params.private {
			class = ClassPrivate
		} else {
			class = ClassContextSpecific
		}

		if params.explicit {
			t.tag = bytesEncoder(appendTagAndLength(t.scratch[:0], tagAndLength{ClassUniversal, tag, bodyLen, isCompound}))

			tt := new(taggedEncoder)

			tt.body = t

	const tag = 5

	tests := []struct {
		shouldMatch bool
		derBytes    []byte
	}{
		{false, []byte{0x30, 3, TagInteger, 1, 1}},
		{true, []byte{0x30, 3, (ClassContextSpecific << 6) | tag, 1, 1}},
		{true, []byte{0x30, 3, (ClassContextSpecific << 6) | tag | isCompound, 1, 1}},
		{false, []byte{0x30, 3, (ClassApplication << 6) | tag | isCompound, 1, 1}},
		{false, []byte{0x30, 3, (ClassPrivate << 6) | tag | isCompound, 1, 1}},