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scala> import scala.language.experimental.macros
import scala.language.experimental.macros
scala> import scala.reflect.macros.blackbox.Context
import scala.reflect.macros.blackbox.Context
scala> class Bar(val c: Context) { def impl = { import c.universe._; c.Expr[Unit](q"()") } };def bar: Unit = macro Bar.impl
defined class Bar
defined term macro bar: Unit
scala> bar
scala> class Foo(val c: Context) { def impl = { import c.universe._; c.Expr[Unit](q"()") } }
defined class Foo
scala> def foo: Unit = macro Foo.impl
defined term macro foo: Unit
scala> foo
scala> :quit
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