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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)
        }
}