if n, err := r.WriteTo(w); err != nil || n != int64(len(input)) {
		t.Fatalf("r.WriteTo(w) = %d, %v, want %d, nil", n, err, len(input))
	}

	for i, val := range w.Bytes() {
		if val != input[i] {
			t.Errorf("after write: out[%d] = %#x, want %#x", i, val, input[i])
		}
	}
}

type errorWriterToTest struct {
	rn, wn     int
	rerr, werr error
	expected   error
}

					// Found it. Now find data section.
					if i := int(s.Section); 0 <= i && i < len(f.Sections) {
						sect := f.Sections[i]
						val := removeTag(s.Value)
						if sect.Addr <= val && val < sect.Addr+sect.Size {
							if sdat, err := sect.Data(); err == nil {
								data := sdat[val-sect.Addr:]
								ints = make([]int64, len(data)/8)
								for i := range ints {
									ints[i] = int64(bo.Uint64(data[i*8:]))

type MultiFlag []string

func (m *MultiFlag) String() string {
	if len(*m) == 0 {
		return ""
	}
	return fmt.Sprint(*m)
}

func (m *MultiFlag) Set(val string) error {
	(*m) = append(*m, val)
	return nil
}

func Usage() {
	fmt.Fprintf(os.Stderr, "usage: asm [options] file.s ...\n")
	fmt.Fprintf(os.Stderr, "Flags:\n")
	flag.PrintDefaults()
	os.Exit(2)
}

func Parse() {

	// type of s is string
	// s == a[i]
	g(i, s)
}

var key string
var val interface{}  // element type of m is assignable to val
m := map[string]int{"mon":0, "tue":1, "wed":2, "thu":3, "fri":4, "sat":5, "sun":6}
for key, val = range m {
	h(key, val)
}
// key == last map key encountered in iteration
// val == map[key]

var ch chan Work = producer()
for w := range ch {
	doWork(w)
}

				hasKey = true
			} else if hasKey {
				var val string
				var err error
				switch n := tok.Name.Local; n {
				case "true", "false":
					// Bools are represented as <true/> and <false/>.
					val = n
					err = d.Skip()
				default:
					err = d.DecodeElement(&val, &tok)
				}
				if err != nil {
					return nil, err
				}
				values[key] = val
				hasKey = false
			} else {

		}
	}
	if haveConstant {
		p.back()
		if p.have(scanner.Float) {
			if prefix != '$' {
				p.errorf("floating-point constant must be an immediate")
			}
			a.Type = obj.TYPE_FCONST
			a.Val = p.floatExpr()
			// fmt.Printf("FCONST %s\n", obj.Dconv(&emptyProg, 0, a))
			p.expectOperandEnd()
			return
		}
		if p.have(scanner.String) {
			if prefix != '$' {

		case 4:
			nameAddr.Sym.WriteFloat32(p.ctxt, nameAddr.Offset, float32(valueAddr.Val.(float64)))
		case 8:
			nameAddr.Sym.WriteFloat64(p.ctxt, nameAddr.Offset, valueAddr.Val.(float64))
		default:
			p.errorf("bad float size for DATA argument: %d", sz)
		}
	case obj.TYPE_SCONST:
		nameAddr.Sym.WriteString(p.ctxt, nameAddr.Offset, int(sz), valueAddr.Val.(string))
	case obj.TYPE_ADDR:
		if sz == p.arch.PtrSize {

pkg syscall (darwin-arm64), type Flock_t struct, Type int16
pkg syscall (darwin-arm64), type Flock_t struct, Whence int16
pkg syscall (darwin-arm64), type Fsid struct
pkg syscall (darwin-arm64), type Fsid struct, Val [2]int32
pkg syscall (darwin-arm64), type Fstore_t struct
pkg syscall (darwin-arm64), type Fstore_t struct, Bytesalloc int64
pkg syscall (darwin-arm64), type Fstore_t struct, Flags uint32

pkg syscall (freebsd-arm64), type Flock_t struct, Type int16
pkg syscall (freebsd-arm64), type Flock_t struct, Whence int16
pkg syscall (freebsd-arm64), type Fsid struct
pkg syscall (freebsd-arm64), type Fsid struct, Val [2]int32
pkg syscall (freebsd-arm64), type ICMPv6Filter struct
pkg syscall (freebsd-arm64), type ICMPv6Filter struct, Filt [8]uint32
pkg syscall (freebsd-arm64), type IfaMsghdr struct

pkg syscall (freebsd-riscv64), type Flock_t struct, Whence int16 #53466
pkg syscall (freebsd-riscv64), type Fsid struct #53466
pkg syscall (freebsd-riscv64), type Fsid struct, Val [2]int32 #53466
pkg syscall (freebsd-riscv64), type ICMPv6Filter struct #53466
pkg syscall (freebsd-riscv64), type ICMPv6Filter struct, Filt [8]uint32 #53466
pkg syscall (freebsd-riscv64), type IPMreqn struct #53466