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import scala.language.experimental.macros
import scala.reflect.macros.blackbox.Context
class X { type T }
object X {
// this works
def foo(x: X): x.T = macro fooImpl
def fooImpl(c: Context)(x: c.Expr[X]): c.Expr[x.value.T] = ???
// this doesn't
def bar(x: X, y: X): (x.T, y.T) = macro barImpl
def barImpl(c: Context)(x: c.Expr[X], y: c.Expr[X]): c.Expr[(x.value.T, y.value.T)] = ???
// neither does this
def baz(x: X)(xs: List[x.T]): Unit = macro bazImpl
def bazImpl(c: Context)(x: c.Expr[X])(xs: c.Expr[List[x.value.T]]): c.Expr[Unit] = ???
}
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