import scala.reflect.macros.blackbox.Context object Impls { def impl(c: Context)(tag: String, x: c.Expr[_]) = { import c.{prefix => prefix} import c.universe._ val body = Apply(Select(Ident(definitions.PredefModule), TermName("println")), List(Literal(Constant(tag)), Literal(Constant(prefix.toString)), x.tree)) c.Expr[Unit](body) } def fooBString(c: Context)(x: c.Expr[_]) = impl(c)("fooBString", x) def fooBInt(c: Context)(x: c.Expr[_]) = impl(c)("fooBInt", x) def fooDInt(c: Context)(x: c.Expr[_]) = impl(c)("fooDInt", x) def fooZString(c: Context)(x: c.Expr[_]) = impl(c)("fooZString", x) }