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// $G $F.go && $L $F.$A && ./$A.out

// Copyright 2009 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 (

        "os"

        "runtime"

)

func main() {

        ga, e0 := os.Getenverror("GOARCH")

        if e0 != nil {

                print("$GOARCH: ", e0.Error(), "\n")

                os.Exit(1)

        }

        if ga != runtime.GOARCH {

                print("$GOARCH=", ga, "!= runtime.GOARCH=", runtime.GOARCH, "\n")

                os.Exit(1)

        }

        xxx, e1 := os.Getenverror("DOES_NOT_EXIST")

        if e1 != os.ENOENV {

                print("$DOES_NOT_EXIST=", xxx, "; err = ", e1.Error(), "\n")

                os.Exit(1)

        }

}