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
}

		}
		walkBeforeAfter(&n.Params, before, after)
		if n.Results != nil {
			walkBeforeAfter(&n.Results, before, after)
		}
	case *ast.InterfaceType:
		walkBeforeAfter(&n.Methods, before, after)
	case *ast.MapType:
		walkBeforeAfter(&n.Key, before, after)
		walkBeforeAfter(&n.Value, before, after)
	case *ast.ChanType:
		walkBeforeAfter(&n.Value, before, after)

	case *ast.BadStmt:
	case *ast.DeclStmt:

		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 {

		check.funcType(typ, nil, nil, e)
		return typ

	case *syntax.InterfaceType:
		typ := check.newInterface()
		setDefType(def, typ)
		check.interfaceType(typ, e, def)
		return typ

	case *syntax.MapType:
		typ := new(Map)
		setDefType(def, typ)

		typ.key = check.varType(e.Key)
		typ.elem = check.varType(e.Value)

		// spec: "The comparison operators == and != must be fully defined

func (t rtype) In(i int) Type {
	tt := t.Type.FuncType()
	if tt == nil {
		panic("reflect: In of non-func type")
	}
	return toType(tt.InSlice()[i])
}

func (t rtype) Key() Type {
	tt := t.Type.MapType()
	if tt == nil {
		panic("reflect: Key of non-map type")
	}
	return toType(tt.Key)
}

func (t rtype) Len() int {
	tt := t.Type.ArrayType()
	if tt == nil {

		check.funcType(typ, nil, e)
		return typ

	case *ast.InterfaceType:
		typ := check.newInterface()
		setDefType(def, typ)
		check.interfaceType(typ, e, def)
		return typ

	case *ast.MapType:
		typ := new(Map)
		setDefType(def, typ)

		typ.key = check.varType(e.Key)
		typ.elem = check.varType(e.Value)

		// spec: "The comparison operators == and != must be fully defined

	case abi.Slice: // reflect.sliceType
		off += arch.PtrSize
	case abi.Array: // reflect.arrayType
		off += 3 * arch.PtrSize
	case abi.Chan: // reflect.chanType
		off += 2 * arch.PtrSize
	case abi.Map: // reflect.mapType
		off += 4*arch.PtrSize + 8
	case abi.Interface: // reflect.interfaceType
		off += 3 * arch.PtrSize
	default:
		// just Sizeof(rtype)
	}

	mcount := int(decodeInuxi(arch, p[off+4:], 2))

		com := deb.common()
		// Field number 1 is type Id of key
		deb.delta(1)
		keyId := deb.typeId()
		// Field number 2 is type Id of elem
		deb.delta(1)
		elemId := deb.typeId()
		wire.MapT = &mapType{com, keyId, elemId}
	case 4: // GobEncoder type, one field of {{Common}}
		// Field number 0 is CommonType
		deb.delta(1)
		com := deb.common()
		wire.GobEncoderT = &gobEncoderType{com}

					case *ast.StructType:
						for _, f := range st.Fields.List {
							for _, n := range f.Names {
								t.Field[n.Name] = gofmt(f.Type)
							}
						}
					case *ast.ArrayType, *ast.StarExpr, *ast.MapType:
						t.Def = gofmt(st)
					}
				}
			}
		}
	}

	typecheck1(cfg1, f, typeof, assign)
	return typeof, assign
}

			p.print(newline, indent)
			p.printMethodList(n.MethodList)
			p.print(outdent, newline)
		} else {
			p.print(_Lbrace)
			p.printMethodList(n.MethodList)
		}
		p.print(_Rbrace)

	case *MapType:
		p.print(_Map, _Lbrack, n.Key, _Rbrack, n.Value)

	case *ChanType:
		if n.Dir == RecvOnly {
			p.print(_Arrow)
		}
		p.print(_Chan)
		if n.Dir == SendOnly {
			p.print(_Arrow)
		}