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go/test/typeparam/issue50833.go
Matthew Dempsky 1a2435c95f go/types, cmd/compile: fix composite literal structural typing
For a composite literal expression like []T{{f: 1}}, we allow T to be
a pointer to struct type, so it's consistent to allow T to also be a
type parameter whose structural type is a pointer to struct type.

Fixes #50833.

Change-Id: Ib0781ec4a4f327c875ea25b97740ff2c0c86b916
Reviewed-on: https://go-review.googlesource.com/c/go/+/381075
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
Trust: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-01-27 19:55:38 +00:00

24 lines
429 B
Go

// run -gcflags=-G=3
// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
type (
S struct{ f int }
PS *S
)
func a() []*S { return []*S{{f: 1}} }
func b() []PS { return []PS{{f: 1}} }
func c[P *S]() []P { return []P{{f: 1}} }
func d[P PS]() []P { return []P{{f: 1}} }
func main() {
c[*S]()
d[PS]()
}