return &ast.ArrayType{
			Elt: elt,
		}
	case *types.Map:
		key := TypeExpr(f, pkg, t.Key())
		value := TypeExpr(f, pkg, t.Elem())
		if key == nil || value == nil {
			return nil
		}
		return &ast.MapType{
			Key:   key,
			Value: value,
		}
	case *types.Chan:
		dir := ast.ChanDir(t.Dir())
		if t.Dir() == types.SendRecv {
			dir = ast.SEND | ast.RECV
		}
		value := TypeExpr(f, pkg, t.Elem())

	case reflect.Map:
		if !ok || wire.MapT == nil {
			return false
		}
		MapType := wire.MapT
		return dec.compatibleType(t.Key(), MapType.Key, inProgress) && dec.compatibleType(t.Elem(), MapType.Elem, inProgress)
	case reflect.Slice:
		// Is it an array of bytes?
		if t.Elem().Kind() == reflect.Uint8 {
			return fw == tBytes
		}

			Closing: rbrace,
		},
	}
}

func (p *parser) parseMapType() *ast.MapType {
	if p.trace {
		defer un(trace(p, "MapType"))
	}

	pos := p.expect(token.MAP)
	p.expect(token.LBRACK)
	key := p.parseType()
	p.expect(token.RBRACK)
	value := p.parseType()

	return &ast.MapType{Map: pos, Key: key, Value: value}
}

func (p *parser) parseChanType() *ast.ChanType {

		return t
	}

	t := new(types.Array)
	p.update(t, nlist)

	len := p.parseInt64()
	p.expect(']')

	*t = *types.NewArray(p.parseType(pkg), len)
	return t
}

// MapType = "map" "[" Type "]" Type .
func (p *parser) parseMapType(pkg *types.Package, nlist []any) types.Type {
	p.expectKeyword("map")

	t := new(types.Map)
	p.update(t, nlist)

	p.expect('[')

// The result is false if x could be a type element OR an ordinary (value) expression.
func isTypeElem(x Expr) bool {
	switch x := x.(type) {
	case *ArrayType, *StructType, *FuncType, *InterfaceType, *SliceType, *MapType, *ChanType:
		return true
	case *Operation:
		return isTypeElem(x.X) || (x.Y != nil && isTypeElem(x.Y)) || x.Op == Tilde
	case *ParenExpr:
		return isTypeElem(x.X)
	}
	return false
}

		default:
			b.WriteByte(' ')
			formatParams(b, t.Results(), mode, visited)
		}

	case TSTRUCT:
		if m := t.StructType().Map; m != nil {
			mt := m.MapType()
			// Format the bucket struct for map[x]y as map.bucket[x]y.
			// This avoids a recursive print that generates very long names.
			switch t {
			case mt.Bucket:
				b.WriteString("map.bucket[")
			default:

			a.apply(n, "TypeParams", nil, tparams)
		}
		a.apply(n, "Params", nil, n.Params)
		a.apply(n, "Results", nil, n.Results)

	case *ast.InterfaceType:
		a.apply(n, "Methods", nil, n.Methods)

	case *ast.MapType:
		a.apply(n, "Key", nil, n.Key)
		a.apply(n, "Value", nil, n.Value)

	case *ast.ChanType:
		a.apply(n, "Value", nil, n.Value)

	// Statements
	case *ast.BadStmt:
		// nothing to do

		b2 := filterParamList(t.Results, f, export)
		return b1 || b2
	case *InterfaceType:
		if filterFieldList(t.Methods, f, export) {
			t.Incomplete = true
		}
		return len(t.Methods.List) > 0
	case *MapType:
		b1 := filterType(t.Key, f, export)
		b2 := filterType(t.Value, f, export)
		return b1 || b2
	case *ChanType:
		return filterType(t.Value, f, export)
	}
	return false
}

// As in Go, the key's value must be assignable to the map's key type.
func (v Value) MapIndex(key Value) Value {
	v.mustBe(Map)
	tt := (*mapType)(unsafe.Pointer(v.typ()))

	// Do not require key to be exported, so that DeepEqual
	// and other programs can use all the keys returned by
	// MapKeys as arguments to MapIndex. If either the map

		return h
	default:
		// Should never happen, as typehash should only be called
		// with comparable types.
		panic(errorString("hash of unhashable type " + toRType(t).string()))
	}
}

func mapKeyError(t *maptype, p unsafe.Pointer) error {
	if !t.HashMightPanic() {
		return nil
	}
	return mapKeyError2(t.Key, p)
}

func mapKeyError2(t *_type, p unsafe.Pointer) error {
	if t.TFlag&abi.TFlagRegularMemory != 0 {