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go/cmd/goyacc/testdata/expr/main.go
Brad Fitzpatrick f1ba7e38e5 cmd/goyacc: move go tool yacc from the go repo
This moves the 'go tool yacc' command from the main Go repo
to x/tools.

Copied from go rev 795ad07b3 + doc changes from "go tool yacc" to "goyacc".

Updates golang/go#11229

Change-Id: I6d17911a3bf64724c090c4fe4903238e3bce3b8c
Reviewed-on: https://go-review.googlesource.com/27324
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2016-08-18 15:37:45 +00:00

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// Copyright 2014 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.
// This file holds the go generate command to run yacc on the grammar in expr.y.
// To build expr:
// % go generate
// % go build
//go:generate goyacc -o expr.go -p "expr" expr.y
// Expr is a simple expression evaluator that serves as a working example of
// how to use Go's yacc implementation.
package main