How to use ___Field_isDeprecated method of generated Package

...429			out.Values[i] = ec.___Field_args(field, obj)430		case "type":431			out.Values[i] = ec.___Field_type(field, obj)432		case "isDeprecated":433			out.Values[i] = ec.___Field_isDeprecated(field, obj)434		case "deprecationReason":435			out.Values[i] = ec.___Field_deprecationReason(field, obj)436		default:437			panic("unknown field " + strconv.Quote(field.Name))438		}439	}440	return out441}442func (ec *executionContext) ___Field_name(field graphql.CollectedField, obj *introspection.Field) graphql.Marshaler {443	res := obj.Name()444	return graphql.MarshalString(res)445}446func (ec *executionContext) ___Field_description(field graphql.CollectedField, obj *introspection.Field) graphql.Marshaler {447	res := obj.Description()448	if res == nil {449		return graphql.Null450	}451	return graphql.MarshalString(*res)452}453func (ec *executionContext) ___Field_args(field graphql.CollectedField, obj *introspection.Field) graphql.Marshaler {454	res := obj.Args()455	arr1 := graphql.Array{}456	for idx1 := range res {457		arr1 = append(arr1, func() graphql.Marshaler {458			if res[idx1] == nil {459				return graphql.Null460			}461			return ec.___InputValue(field.Selections, res[idx1])462		}())463	}464	return arr1465}466func (ec *executionContext) ___Field_type(field graphql.CollectedField, obj *introspection.Field) graphql.Marshaler {467	res := obj.Type()468	if res == nil {469		return graphql.Null470	}471	return ec.___Type(field.Selections, res)472}473func (ec *executionContext) ___Field_isDeprecated(field graphql.CollectedField, obj *introspection.Field) graphql.Marshaler {474	res := obj.IsDeprecated()475	return graphql.MarshalBoolean(res)476}477func (ec *executionContext) ___Field_deprecationReason(field graphql.CollectedField, obj *introspection.Field) graphql.Marshaler {478	res := obj.DeprecationReason()479	if res == nil {480		return graphql.Null481	}482	return graphql.MarshalString(*res)483}484var __InputValueImplementors = []string{"__InputValue"}485// nolint: gocyclo, errcheck, gas, goconst486func (ec *executionContext) ___InputValue(sel []query.Selection, obj *introspection.InputValue) graphql.Marshaler {487	fields := graphql.CollectFields(ec.doc, sel, __InputValueImplementors, ec.variables)...

...308			out.Values[i] = ec.___Field_args(field, obj)309		case "type":310			out.Values[i] = ec.___Field_type(field, obj)311		case "isDeprecated":312			out.Values[i] = ec.___Field_isDeprecated(field, obj)313		case "deprecationReason":314			out.Values[i] = ec.___Field_deprecationReason(field, obj)315		default:316			panic("unknown field " + strconv.Quote(field.Name))317		}318	}319	return out320}321func (ec *executionContext) ___Field_name(field graphql.CollectedField, obj *introspection.Field) graphql.Marshaler {322	res := obj.Name()323	return graphql.MarshalString(res)324}325func (ec *executionContext) ___Field_description(field graphql.CollectedField, obj *introspection.Field) graphql.Marshaler {326	res := obj.Description()327	if res == nil {328		return graphql.Null329	}330	return graphql.MarshalString(*res)331}332func (ec *executionContext) ___Field_args(field graphql.CollectedField, obj *introspection.Field) graphql.Marshaler {333	res := obj.Args()334	arr1 := graphql.Array{}335	for idx1 := range res {336		arr1 = append(arr1, func() graphql.Marshaler {337			if res[idx1] == nil {338				return graphql.Null339			}340			return ec.___InputValue(field.Selections, res[idx1])341		}())342	}343	return arr1344}345func (ec *executionContext) ___Field_type(field graphql.CollectedField, obj *introspection.Field) graphql.Marshaler {346	res := obj.Type()347	if res == nil {348		return graphql.Null349	}350	return ec.___Type(field.Selections, res)351}352func (ec *executionContext) ___Field_isDeprecated(field graphql.CollectedField, obj *introspection.Field) graphql.Marshaler {353	res := obj.IsDeprecated()354	return graphql.MarshalBoolean(res)355}356func (ec *executionContext) ___Field_deprecationReason(field graphql.CollectedField, obj *introspection.Field) graphql.Marshaler {357	res := obj.DeprecationReason()358	if res == nil {359		return graphql.Null360	}361	return graphql.MarshalString(*res)362}363var __InputValueImplementors = []string{"__InputValue"}364// nolint: gocyclo, errcheck, gas, goconst365func (ec *executionContext) ___InputValue(sel []query.Selection, obj *introspection.InputValue) graphql.Marshaler {366	fields := graphql.CollectFields(ec.doc, sel, __InputValueImplementors, ec.variables)...

1for i in {1..4}; do go run $i.go; done2func main() {3    f := func() func() {4        return func() {5            fmt.Println("Hello")6        }7    }8}9func main() {10    f := func() func() {11        return func() {12            fmt.Println("Hello")13        }14    }15}16func main() {17    f := func() func() {18        return func() {19            fmt.Println("Hello")20        }21    }22}23func main() {24    f := func() func() {25        return func() {26            fmt.Println("Hello")27        }28    }29}

1import (2type test struct {3}4func main() {5	val := reflect.ValueOf(test{name: "test", age: 10})6	for i := 0; i < val.NumField(); i++ {7		field := val.Type().Field(i)8		fmt.Println(field.Name, field.Type, field.Tag)9	}10}11import (12type test struct {13}14func main() {15	val := reflect.ValueOf(test{name: "test", age: 10})16	for i := 0; i < val.NumField(); i++ {17		field := val.Type().Field(i)18		fmt.Println(field.Name, field.Type, field.Tag, val.Type().Field(i).PkgPath, val.Type().Field(i).Name, val.Type().Field(i).Index, val.Type().Field(i).Anonymous, val.Type().Field(i).Type, val.Type().Field(i).Offset, val.Type().Field(i).PkgPath, val.Type().Field(i).Name, val.Type().Field(i).Index, val.Type().Field(i).Anonymous, val.Type().Field(i).Type, val.Type().Field(i).Offset)19	}20}21import (22type test struct {23}24func main() {25	val := reflect.ValueOf(test{name: "test", age: 10})26	for i := 0; i < val.NumField(); i++ {27		field := val.Type().Field

1message Person {2    string name = 1;3    int32 id = 2;4    string email = 3;5    string phone = 4;6}7syntax = "proto3";8package mypackage;9message MyMessage {10    string name = 1;11}12import proto "github.com/golang/protobuf/proto"13import fmt "fmt"14import math "math"15import _ "github.com/golang/protobuf/protoc-gen-go/plugin"16import (17type MyMessage struct {18}19func (m *MyMessage) Reset()                    { *m = MyMessage{} }20func (m *MyMessage) String() string            { return proto.CompactTextString(m) }21func (*MyMessage) ProtoMessage()               {}22func (*MyMessage) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }23func (m *MyMessage) GetName() string {24    if m != nil {25    }26}27var fileDescriptor0 = []byte{

1func main() {2    if proto.Field_isDeprecated(1) {3        fmt.Println("Field is deprecated")4    }5}6import proto "github.com/golang/protobuf/proto"7type Bar struct {8}9func (m *Bar) Reset()                    { *m = Bar{} }10func (m *Bar) String() string            { return proto.CompactTextString(m) }11func (*Bar) ProtoMessage()               {}12func (*Bar) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{0} }13func (m *Bar) GetName() string {14    if m != nil {15    }16}17func (m *Bar) GetDeprecatedField() string {18    if m != nil && m.DeprecatedField != nil {19    }20}21func (m *Bar) GetDeprecatedField2() string {22    if m != nil {23    }24}25func init() {26    proto.RegisterFile("1.proto", fileDescriptor1)27}28var fileDescriptor1 = []byte{