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class B {
def foo(x: String): Unit = macro Impls.fooBString
def foo(x: Int): Unit = macro Impls.fooBInt
def foo(x: Boolean): Unit = println("fooBBoolean")
}
class D extends B {
//override def foo(x: String): Unit = println("fooDString") => method cannot override a macro
override def foo(x: Int): Unit = macro Impls.fooDInt
}
class Z extends D {
override def foo(x: String): Unit = macro Impls.fooZString
override def foo(x: Boolean): Unit = println("fooZBoolean")
}
object Test extends App {
val dd: D = new D()
dd.foo("42")
dd.foo(42)
dd.foo(true)
val db: B = new D()
db.foo("42")
db.foo(42)
db.foo(true)
val zz: Z = new Z()
zz.foo("42")
zz.foo(42)
zz.foo(true)
val zd: D = new Z()
zd.foo("42")
zd.foo(42)
zd.foo(true)
val zb: B = new Z()
zb.foo("42")
zb.foo(42)
zb.foo(true)
}
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