## Summary: In this commit I remove one of the limitations of our support for interfaces, from #52, by adding support for list-of-interface fields. This was surprisingly complex! The issue is that, as before, it's the containing type that has to do all the glue work -- and it's that glue work that is complicated by list-of-interface fields. All in all, it's not that much new code, and by far the hard part is just 20 lines in the UnmarshalJSON template (which come with almost twice as many lines of comments to explain them). It may be easiest to start by reading some of the generated code, and then read the template. I also added support for such fields with `pointer: true` specified, such that the type is `[][]...[]*MyInterface`, although I don't know why you would want that. This does *not* allow e.g. `*[]*[][]*MyInterface`; that would require a way to specify it (see #16) but also add some extra complexity (as we'd have to actually walk the type-unwrap chain properly, instead of just counting the number of slices and whether there's a pointer). Issue: https://github.com/Khan/genqlient/issues/8 ## Test plan: make check Author: benjaminjkraft Reviewers: dnerdy, benjaminjkraft, aberkan, csilvers, MiguelCastillo Required Reviewers: Approved by: dnerdy Checks: ⌛ Test (1.17), ⌛ Test (1.16), ⌛ Test (1.15), ⌛ Test (1.14), ⌛ Test (1.13), ⌛ Lint, ⌛ Lint, ⌛ Test (1.17), ⌛ Test (1.16), ⌛ Test (1.15), ⌛ Test (1.14), ⌛ Test (1.13) Pull request URL: https://github.com/Khan/genqlient/pull/54
256 lines
8.3 KiB
Go
256 lines
8.3 KiB
Go
package test
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// Code generated by github.com/Khan/genqlient, DO NOT EDIT.
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import (
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"encoding/json"
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"fmt"
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"github.com/Khan/genqlient/graphql"
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"github.com/Khan/genqlient/internal/testutil"
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)
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// InterfaceListOfListOfListsFieldListOfListsOfListsOfContent includes the requested fields of the GraphQL type Content.
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// The GraphQL type's documentation follows.
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//
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// Content is implemented by various types like Article, Video, and Topic.
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type InterfaceListOfListOfListsFieldListOfListsOfListsOfContent interface {
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implementsGraphQLInterfaceInterfaceListOfListOfListsFieldListOfListsOfListsOfContent()
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}
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func (v *InterfaceListOfListOfListsFieldListOfListsOfListsOfContentArticle) implementsGraphQLInterfaceInterfaceListOfListOfListsFieldListOfListsOfListsOfContent() {
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}
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func (v *InterfaceListOfListOfListsFieldListOfListsOfListsOfContentVideo) implementsGraphQLInterfaceInterfaceListOfListOfListsFieldListOfListsOfListsOfContent() {
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}
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func (v *InterfaceListOfListOfListsFieldListOfListsOfListsOfContentTopic) implementsGraphQLInterfaceInterfaceListOfListOfListsFieldListOfListsOfListsOfContent() {
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}
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func __unmarshalInterfaceListOfListOfListsFieldListOfListsOfListsOfContent(v *InterfaceListOfListOfListsFieldListOfListsOfListsOfContent, m json.RawMessage) error {
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if string(m) == "null" {
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return nil
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}
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var tn struct {
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TypeName string `json:"__typename"`
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}
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err := json.Unmarshal(m, &tn)
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if err != nil {
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return err
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}
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switch tn.TypeName {
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case "Article":
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*v = new(InterfaceListOfListOfListsFieldListOfListsOfListsOfContentArticle)
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return json.Unmarshal(m, *v)
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case "Video":
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*v = new(InterfaceListOfListOfListsFieldListOfListsOfListsOfContentVideo)
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return json.Unmarshal(m, *v)
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case "Topic":
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*v = new(InterfaceListOfListOfListsFieldListOfListsOfListsOfContentTopic)
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return json.Unmarshal(m, *v)
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default:
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return fmt.Errorf(
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`Unexpected concrete type for InterfaceListOfListOfListsFieldListOfListsOfListsOfContent: "%v"`, tn.TypeName)
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}
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}
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// InterfaceListOfListOfListsFieldListOfListsOfListsOfContentArticle includes the requested fields of the GraphQL type Article.
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type InterfaceListOfListOfListsFieldListOfListsOfListsOfContentArticle struct {
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Typename string `json:"__typename"`
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// ID is the identifier of the content.
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Id testutil.ID `json:"id"`
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Name string `json:"name"`
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}
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// InterfaceListOfListOfListsFieldListOfListsOfListsOfContentTopic includes the requested fields of the GraphQL type Topic.
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type InterfaceListOfListOfListsFieldListOfListsOfListsOfContentTopic struct {
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Typename string `json:"__typename"`
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// ID is the identifier of the content.
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Id testutil.ID `json:"id"`
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Name string `json:"name"`
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}
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// InterfaceListOfListOfListsFieldListOfListsOfListsOfContentVideo includes the requested fields of the GraphQL type Video.
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type InterfaceListOfListOfListsFieldListOfListsOfListsOfContentVideo struct {
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Typename string `json:"__typename"`
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// ID is the identifier of the content.
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Id testutil.ID `json:"id"`
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Name string `json:"name"`
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}
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// InterfaceListOfListOfListsFieldResponse is returned by InterfaceListOfListOfListsField on success.
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type InterfaceListOfListOfListsFieldResponse struct {
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ListOfListsOfListsOfContent [][][]InterfaceListOfListOfListsFieldListOfListsOfListsOfContent `json:"-"`
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WithPointer [][][]*InterfaceListOfListOfListsFieldWithPointerContent `json:"-"`
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}
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func (v *InterfaceListOfListOfListsFieldResponse) UnmarshalJSON(b []byte) error {
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type InterfaceListOfListOfListsFieldResponseWrapper InterfaceListOfListOfListsFieldResponse
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var firstPass struct {
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*InterfaceListOfListOfListsFieldResponseWrapper
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ListOfListsOfListsOfContent [][][]json.RawMessage `json:"listOfListsOfListsOfContent"`
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WithPointer [][][]json.RawMessage `json:"withPointer"`
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}
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firstPass.InterfaceListOfListOfListsFieldResponseWrapper = (*InterfaceListOfListOfListsFieldResponseWrapper)(v)
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err := json.Unmarshal(b, &firstPass)
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if err != nil {
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return err
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}
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{
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target := &v.ListOfListsOfListsOfContent
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raw := firstPass.ListOfListsOfListsOfContent
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*target = make(
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[][][]InterfaceListOfListOfListsFieldListOfListsOfListsOfContent,
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len(raw))
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for i, raw := range raw {
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target := &(*target)[i]
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*target = make(
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[][]InterfaceListOfListOfListsFieldListOfListsOfListsOfContent,
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len(raw))
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for i, raw := range raw {
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target := &(*target)[i]
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*target = make(
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[]InterfaceListOfListOfListsFieldListOfListsOfListsOfContent,
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len(raw))
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for i, raw := range raw {
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target := &(*target)[i]
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err = __unmarshalInterfaceListOfListOfListsFieldListOfListsOfListsOfContent(
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target, raw)
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if err != nil {
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return err
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}
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}
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}
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}
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}
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{
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target := &v.WithPointer
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raw := firstPass.WithPointer
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*target = make(
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[][][]*InterfaceListOfListOfListsFieldWithPointerContent,
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len(raw))
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for i, raw := range raw {
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target := &(*target)[i]
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*target = make(
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[][]*InterfaceListOfListOfListsFieldWithPointerContent,
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len(raw))
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for i, raw := range raw {
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target := &(*target)[i]
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*target = make(
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[]*InterfaceListOfListOfListsFieldWithPointerContent,
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len(raw))
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for i, raw := range raw {
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target := &(*target)[i]
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*target = new(InterfaceListOfListOfListsFieldWithPointerContent)
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err = __unmarshalInterfaceListOfListOfListsFieldWithPointerContent(
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*target, raw)
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if err != nil {
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return err
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}
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}
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}
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}
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}
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return nil
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}
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// InterfaceListOfListOfListsFieldWithPointerArticle includes the requested fields of the GraphQL type Article.
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type InterfaceListOfListOfListsFieldWithPointerArticle struct {
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Typename *string `json:"__typename"`
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// ID is the identifier of the content.
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Id *testutil.ID `json:"id"`
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Name *string `json:"name"`
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}
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// InterfaceListOfListOfListsFieldWithPointerContent includes the requested fields of the GraphQL type Content.
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// The GraphQL type's documentation follows.
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//
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// Content is implemented by various types like Article, Video, and Topic.
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type InterfaceListOfListOfListsFieldWithPointerContent interface {
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implementsGraphQLInterfaceInterfaceListOfListOfListsFieldWithPointerContent()
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}
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func (v *InterfaceListOfListOfListsFieldWithPointerArticle) implementsGraphQLInterfaceInterfaceListOfListOfListsFieldWithPointerContent() {
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}
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func (v *InterfaceListOfListOfListsFieldWithPointerVideo) implementsGraphQLInterfaceInterfaceListOfListOfListsFieldWithPointerContent() {
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}
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func (v *InterfaceListOfListOfListsFieldWithPointerTopic) implementsGraphQLInterfaceInterfaceListOfListOfListsFieldWithPointerContent() {
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}
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func __unmarshalInterfaceListOfListOfListsFieldWithPointerContent(v *InterfaceListOfListOfListsFieldWithPointerContent, m json.RawMessage) error {
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if string(m) == "null" {
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return nil
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}
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var tn struct {
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TypeName string `json:"__typename"`
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}
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err := json.Unmarshal(m, &tn)
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if err != nil {
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return err
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}
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switch tn.TypeName {
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case "Article":
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*v = new(InterfaceListOfListOfListsFieldWithPointerArticle)
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return json.Unmarshal(m, *v)
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case "Video":
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*v = new(InterfaceListOfListOfListsFieldWithPointerVideo)
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return json.Unmarshal(m, *v)
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case "Topic":
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*v = new(InterfaceListOfListOfListsFieldWithPointerTopic)
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return json.Unmarshal(m, *v)
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default:
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return fmt.Errorf(
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`Unexpected concrete type for InterfaceListOfListOfListsFieldWithPointerContent: "%v"`, tn.TypeName)
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}
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}
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// InterfaceListOfListOfListsFieldWithPointerTopic includes the requested fields of the GraphQL type Topic.
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type InterfaceListOfListOfListsFieldWithPointerTopic struct {
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Typename *string `json:"__typename"`
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// ID is the identifier of the content.
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Id *testutil.ID `json:"id"`
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Name *string `json:"name"`
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}
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// InterfaceListOfListOfListsFieldWithPointerVideo includes the requested fields of the GraphQL type Video.
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type InterfaceListOfListOfListsFieldWithPointerVideo struct {
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Typename *string `json:"__typename"`
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// ID is the identifier of the content.
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Id *testutil.ID `json:"id"`
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Name *string `json:"name"`
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}
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func InterfaceListOfListOfListsField(
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client graphql.Client,
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) (*InterfaceListOfListOfListsFieldResponse, error) {
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var retval InterfaceListOfListOfListsFieldResponse
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err := client.MakeRequest(
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nil,
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"InterfaceListOfListOfListsField",
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`
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query InterfaceListOfListOfListsField {
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listOfListsOfListsOfContent {
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__typename
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id
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name
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}
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withPointer: listOfListsOfListsOfContent {
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__typename
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id
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name
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}
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}
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`,
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&retval,
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nil,
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)
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return &retval, err
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}
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