type maptype = abi.MapType

type arraytype = abi.ArrayType

type chantype = abi.ChanType

type slicetype = abi.SliceType

type functype = abi.FuncType

type ptrtype = abi.PtrType

type name = abi.Name

type structtype = abi.StructType

func pkgPath(n name) string {
	if n.Bytes == nil || *n.Data(0)&(1<<2) == 0 {
		return ""
	}
	i, l := n.ReadVarint(1)

	arg  unsafe.Pointer // ptr to object (may be a heap pointer)
	nret uintptr        // bytes of return values from fn
	fint *_type         // type of first argument of fn
	ot   *ptrtype       // type of ptr to object (may be a heap pointer)
}

var finalizer1 = [...]byte{
	// Each Finalizer is 5 words, ptr ptr INT ptr ptr (INT = uintptr here)
	// Each byte describes 8 words.

	return c, d
}

func (f *Func) SplitSlice(name *LocalSlot) (*LocalSlot, *LocalSlot, *LocalSlot) {
	ptrType := types.NewPtr(name.Type.Elem())
	lenType := types.Types[types.TINT]
	p := f.SplitSlot(name, ".ptr", 0, ptrType)
	l := f.SplitSlot(name, ".len", ptrType.Size(), lenType)
	c := f.SplitSlot(name, ".cap", ptrType.Size()+lenType.Size(), lenType)
	return p, l, c
}

	}
	off := commonsize(arch) // reflect.rtype
	switch decodetypeKind(arch, p) {
	case abi.Struct: // reflect.structType
		off += 4 * arch.PtrSize
	case abi.Pointer: // reflect.ptrType
		off += arch.PtrSize
	case abi.Func: // reflect.funcType
		off += arch.PtrSize // 4 bytes, pointer aligned
	case abi.Slice: // reflect.sliceType
		off += arch.PtrSize
	case abi.Array: // reflect.arrayType

		aep := efaceOf(&arg)
		switch aep._type.Kind_ & abi.KindMask {
		case abi.Bool:
			if t.Kind_&abi.KindMask == abi.UnsafePointer {
				// We don't know the type of the element.
				break
			}
			pt := (*ptrtype)(unsafe.Pointer(t))
			cgoCheckArg(pt.Elem, p, true, false, cgoCheckPointerFail)
			return
		case abi.Slice:
			// Check the slice rather than the pointer.
			ep = aep
			t = ep._type
		case abi.Array:

}

func (a *UserArena) New(out *any) {
	i := efaceOf(out)
	typ := i._type
	if typ.Kind_&abi.KindMask != abi.Pointer {
		panic("new result of non-ptr type")
	}
	typ = (*ptrtype)(unsafe.Pointer(typ)).Elem
	i.data = a.arena.new(typ)
}

func (a *UserArena) Slice(sl any, cap int) {
	a.arena.slice(sl, cap)
}

func (a *UserArena) Free() {
	a.arena.free()
}