func check(t *testing.T, code string, expected_out string, expected_err string) {
out, err := eval.Eval(code)
if !(ts(expected_out) == ts(out)) {
t.Error(fmt.Sprintf("Expected output to be \n%s\nInstead got:\n%s\n", out, expected_out))
}
if !(ts(expected_err) == ts(err)) {
t.Error(fmt.Sprintf("Expected compiler error to be \n%s\n. Instead got:\n%s\n", err, expected_err))
}
}
func main() {
var src string
if len(os.Args) > 1 {
src = os.Args[1]
} else {
fmt.Println("Enter one or more lines and hit ctrl-D")
src = readStdin()
}
out, err := eval.Eval(src)
if err == "" {
println("---------------------------------")
println(out)
} else {
fmt.Println("== Error ========")
fmt.Println(err)
}
}