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https://github.com/golang/go
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42057e9848
Fixes #48317 Change-Id: I756ae6253022870071004332dd8f49169307f7e6 Reviewed-on: https://go-review.googlesource.com/c/go/+/349013 Run-TryBot: Dan Scales <danscales@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Keith Randall <khr@golang.org> Reviewed-by: Dan Scales <danscales@google.com> Trust: Dan Scales <danscales@google.com>
39 lines
664 B
Go
39 lines
664 B
Go
// run -gcflags="-G=3"
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// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"encoding/json"
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)
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type A[T any] struct {
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F1 string `json:"t1"`
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F2 T `json:"t2"`
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B B `json:"t3"`
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}
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type B struct {
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F4 int `json:"t4"`
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}
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func a[T any]() {
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data := `{"t1":"1","t2":2,"t3":{"t4":4}}`
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a1 := A[T]{}
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if err := json.Unmarshal([]byte(data), &a1); err != nil {
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panic(err)
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}
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if bytes, err := json.Marshal(&a1); err != nil {
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panic(err)
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} else if string(bytes) != data {
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panic(string(bytes))
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}
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}
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func main() {
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a[int]()
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}
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