Macros_2.scala:3: error: ';' expected but '.' found.
    def foo(x: Int): Int = macro Impls.foo_impl
                                      ^
Macros_2.scala:5: error: ';' expected but '.' found.
  def bar(x: Int): Int = macro Impls.bar_impl
                                    ^
Macros_2.scala:9: error: ';' expected but '.' found.
  def quux(x: Int): Int = macro Impls.quux_impl
                                     ^
three errors found