diff options
Diffstat (limited to 'test/typeparam/issue49295.go')
-rw-r--r-- | test/typeparam/issue49295.go | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/typeparam/issue49295.go b/test/typeparam/issue49295.go new file mode 100644 index 0000000..f96c896 --- /dev/null +++ b/test/typeparam/issue49295.go @@ -0,0 +1,30 @@ +// run + +// Copyright 2021 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 + +import "io" + +type Reader struct { + buf []byte +} +type Token *[16]byte + +func Read[T interface{ ~*[16]byte }](r *Reader) (t T, err error) { + if n := len(t); len(r.buf) >= n { + t = T(r.buf[:n]) + r.buf = r.buf[n:] + return + } + err = io.EOF + return +} + +func main() { + r := &Reader{buf: []byte("0123456789abcdef")} + token, err := Read[Token](r) + _, _ = token, err +} |