func envFunc(env []string) func(string) (string, error) {
	return func(s string) (string, error) {
		for _, e := range env {
			split := strings.SplitN(e, "=", 2)
			k, v := split[0], split[1]
			if k == s {
				return v, nil
			}
		}
		return os.Getenv(s), nil
	}
}
func envFunc(env []string) func(string) (string, error) {
	return func(s string) (string, error) {
		for _, e := range env {
			split := strings.SplitN(e, "=", 2)
			k, v := split[0], split[1]
			if k == s {
				return v, nil
			}
		}
		return os.Getenv(s), nil
	}
}
func envFunc ( env [ ] string ) func ( string ) ( string , error ) { return func ( s string ) ( string , error ) { for _ , e := range env { split := strings . SplitN ( e , " " , 2 ) k , v := split [ 0 ] , split [ 1 ] if k == s { return v , nil } } return os . Getenv ( s ) , nil } }
// envFunc returns a function which checks the value of an environment variable.
// Invokers can specify their own environment, which takes precedences over any
// real environment variables
envFunc returns a function which checks the value of an environment variable . Invokers can specify their own environment which takes precedences over any real environment variables