func()

in integration/server/generated.go [3779:3857]

• 70 lines of code
• 15 McCabe index (conditional complexity)

func (ec *executionContext) _User(ctx context.Context, sel ast.SelectionSet, obj *remote_api.User) graphql.Marshaler {
	fields := graphql.CollectFields(ec.OperationContext, sel, userImplementors)

	out := graphql.NewFieldSet(fields)
	deferred := make(map[string]*graphql.FieldSet)
	for i, field := range fields {
		switch field.Name {
		case "__typename":
			out.Values[i] = graphql.MarshalString("User")
		case "name":
			out.Values[i] = ec._User_name(ctx, field, obj)
			if out.Values[i] == graphql.Null {
				atomic.AddUint32(&out.Invalids, 1)
			}
		case "likes":
			field := field

			innerFunc := func(ctx context.Context, fs *graphql.FieldSet) (res graphql.Marshaler) {
				defer func() {
					if r := recover(); r != nil {
						ec.Error(ctx, ec.Recover(ctx, r))
					}
				}()
				res = ec._User_likes(ctx, field, obj)
				if res == graphql.Null {
					atomic.AddUint32(&fs.Invalids, 1)
				}
				return res
			}

			if field.Deferrable != nil {
				dfs, ok := deferred[field.Deferrable.Label]
				di := 0
				if ok {
					dfs.AddField(field)
					di = len(dfs.Values) - 1
				} else {
					dfs = graphql.NewFieldSet([]graphql.CollectedField{field})
					deferred[field.Deferrable.Label] = dfs
				}
				dfs.Concurrently(di, func(ctx context.Context) graphql.Marshaler {
					return innerFunc(ctx, dfs)
				})

				// don't run the out.Concurrently() call below
				out.Values[i] = graphql.Null
				continue
			}

			out.Concurrently(i, func(ctx context.Context) graphql.Marshaler { return innerFunc(ctx, out) })
		case "phoneNumber":
			out.Values[i] = ec._User_phoneNumber(ctx, field, obj)
		case "query":
			out.Values[i] = ec._User_query(ctx, field, obj)
			if out.Values[i] == graphql.Null {
				atomic.AddUint32(&out.Invalids, 1)
			}
		default:
			panic("unknown field " + strconv.Quote(field.Name))
		}
	}
	out.Dispatch(ctx)
	if out.Invalids > 0 {
		return graphql.Null
	}

	atomic.AddInt32(&ec.deferred, int32(len(deferred)))

	for label, dfs := range deferred {
		ec.processDeferredGroup(graphql.DeferredGroup{
			Label:    label,
			Path:     graphql.GetPath(ctx),
			FieldSet: dfs,
			Context:  ctx,
		})
	}

	return out
}