mirror of
https://github.com/golang/go
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e24977d231
The next CL will remove the -G flag, effectively hard-coding it to its current default (-G=3). Change-Id: Ib4743b529206928f9f1cca9fdb19989728327831 Reviewed-on: https://go-review.googlesource.com/c/go/+/388534 Reviewed-by: Keith Randall <khr@golang.org> Trust: Matthew Dempsky <mdempsky@google.com> Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gopher Robot <gobot@golang.org>
31 lines
542 B
Go
31 lines
542 B
Go
// run
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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 "io"
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type Reader struct {
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buf []byte
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}
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type Token *[16]byte
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func Read[T interface{ ~*[16]byte }](r *Reader) (t T, err error) {
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if n := len(t); len(r.buf) >= n {
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t = T(r.buf[:n])
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r.buf = r.buf[n:]
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return
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}
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err = io.EOF
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return
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}
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func main() {
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r := &Reader{buf: []byte("0123456789abcdef")}
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token, err := Read[Token](r)
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_, _ = token, err
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}
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