## 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
232 lines
6.8 KiB
Go
232 lines
6.8 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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// InterfaceNoFragmentsQueryRandomItemArticle includes the requested fields of the GraphQL type Article.
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type InterfaceNoFragmentsQueryRandomItemArticle 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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// InterfaceNoFragmentsQueryRandomItemContent 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 InterfaceNoFragmentsQueryRandomItemContent interface {
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implementsGraphQLInterfaceInterfaceNoFragmentsQueryRandomItemContent()
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}
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func (v *InterfaceNoFragmentsQueryRandomItemArticle) implementsGraphQLInterfaceInterfaceNoFragmentsQueryRandomItemContent() {
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}
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func (v *InterfaceNoFragmentsQueryRandomItemVideo) implementsGraphQLInterfaceInterfaceNoFragmentsQueryRandomItemContent() {
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}
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func (v *InterfaceNoFragmentsQueryRandomItemTopic) implementsGraphQLInterfaceInterfaceNoFragmentsQueryRandomItemContent() {
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}
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func __unmarshalInterfaceNoFragmentsQueryRandomItemContent(v *InterfaceNoFragmentsQueryRandomItemContent, 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(InterfaceNoFragmentsQueryRandomItemArticle)
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return json.Unmarshal(m, *v)
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case "Video":
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*v = new(InterfaceNoFragmentsQueryRandomItemVideo)
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return json.Unmarshal(m, *v)
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case "Topic":
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*v = new(InterfaceNoFragmentsQueryRandomItemTopic)
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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 InterfaceNoFragmentsQueryRandomItemContent: "%v"`, tn.TypeName)
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}
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}
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// InterfaceNoFragmentsQueryRandomItemTopic includes the requested fields of the GraphQL type Topic.
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type InterfaceNoFragmentsQueryRandomItemTopic 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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// InterfaceNoFragmentsQueryRandomItemVideo includes the requested fields of the GraphQL type Video.
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type InterfaceNoFragmentsQueryRandomItemVideo 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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// InterfaceNoFragmentsQueryResponse is returned by InterfaceNoFragmentsQuery on success.
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type InterfaceNoFragmentsQueryResponse struct {
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Root InterfaceNoFragmentsQueryRootTopic `json:"root"`
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RandomItem InterfaceNoFragmentsQueryRandomItemContent `json:"-"`
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WithPointer *InterfaceNoFragmentsQueryWithPointerContent `json:"-"`
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}
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func (v *InterfaceNoFragmentsQueryResponse) UnmarshalJSON(b []byte) error {
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type InterfaceNoFragmentsQueryResponseWrapper InterfaceNoFragmentsQueryResponse
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var firstPass struct {
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*InterfaceNoFragmentsQueryResponseWrapper
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RandomItem json.RawMessage `json:"randomItem"`
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WithPointer json.RawMessage `json:"withPointer"`
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}
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firstPass.InterfaceNoFragmentsQueryResponseWrapper = (*InterfaceNoFragmentsQueryResponseWrapper)(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.RandomItem
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raw := firstPass.RandomItem
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err = __unmarshalInterfaceNoFragmentsQueryRandomItemContent(
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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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target := &v.WithPointer
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raw := firstPass.WithPointer
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*target = new(InterfaceNoFragmentsQueryWithPointerContent)
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err = __unmarshalInterfaceNoFragmentsQueryWithPointerContent(
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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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return nil
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}
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// InterfaceNoFragmentsQueryRootTopic includes the requested fields of the GraphQL type Topic.
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type InterfaceNoFragmentsQueryRootTopic struct {
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// ID is documented in the Content interface.
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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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// InterfaceNoFragmentsQueryWithPointerArticle includes the requested fields of the GraphQL type Article.
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type InterfaceNoFragmentsQueryWithPointerArticle 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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// InterfaceNoFragmentsQueryWithPointerContent 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 InterfaceNoFragmentsQueryWithPointerContent interface {
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implementsGraphQLInterfaceInterfaceNoFragmentsQueryWithPointerContent()
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}
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func (v *InterfaceNoFragmentsQueryWithPointerArticle) implementsGraphQLInterfaceInterfaceNoFragmentsQueryWithPointerContent() {
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}
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func (v *InterfaceNoFragmentsQueryWithPointerVideo) implementsGraphQLInterfaceInterfaceNoFragmentsQueryWithPointerContent() {
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}
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func (v *InterfaceNoFragmentsQueryWithPointerTopic) implementsGraphQLInterfaceInterfaceNoFragmentsQueryWithPointerContent() {
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}
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func __unmarshalInterfaceNoFragmentsQueryWithPointerContent(v *InterfaceNoFragmentsQueryWithPointerContent, 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(InterfaceNoFragmentsQueryWithPointerArticle)
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return json.Unmarshal(m, *v)
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case "Video":
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*v = new(InterfaceNoFragmentsQueryWithPointerVideo)
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return json.Unmarshal(m, *v)
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case "Topic":
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*v = new(InterfaceNoFragmentsQueryWithPointerTopic)
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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 InterfaceNoFragmentsQueryWithPointerContent: "%v"`, tn.TypeName)
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}
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}
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// InterfaceNoFragmentsQueryWithPointerTopic includes the requested fields of the GraphQL type Topic.
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type InterfaceNoFragmentsQueryWithPointerTopic 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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// InterfaceNoFragmentsQueryWithPointerVideo includes the requested fields of the GraphQL type Video.
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type InterfaceNoFragmentsQueryWithPointerVideo 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 InterfaceNoFragmentsQuery(
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client graphql.Client,
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) (*InterfaceNoFragmentsQueryResponse, error) {
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var retval InterfaceNoFragmentsQueryResponse
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err := client.MakeRequest(
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nil,
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"InterfaceNoFragmentsQuery",
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`
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query InterfaceNoFragmentsQuery {
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root {
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id
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name
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}
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randomItem {
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__typename
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id
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name
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}
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withPointer: randomItem {
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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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