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Macros_2.scala:3: error: macro definition needs to be enabled
by making the implicit value scala.language.experimental.macros visible.
This can be achieved by adding the import clause 'import scala.language.experimental.macros'
or by setting the compiler option -language:experimental.macros.
See the Scaladoc for value scala.language.experimental.macros for a discussion
why the feature needs to be explicitly enabled.
def foo(x: Int): Int = macro Impls.foo_impl
^
Macros_2.scala:5: error: macro definition needs to be enabled
by making the implicit value scala.language.experimental.macros visible.
def bar(x: Int): Int = macro Impls.bar_impl
^
Macros_2.scala:9: error: macro definition needs to be enabled
by making the implicit value scala.language.experimental.macros visible.
def quux(x: Int): Int = macro Impls.quux_impl
^
three errors found
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