1 files changed, 13 insertions, 0 deletions
diff --git a/main/core/src/define/Caller.scala b/main/core/src/define/Caller.scala
new file mode 100644
index 00000000..6d2d4d1d
--- /dev/null
+++ b/main/core/src/define/Caller.scala
@@ -0,0 +1,13 @@
+package mill.define
+
+import sourcecode.Compat.Context
+import language.experimental.macros
+case class Caller(value: Any)
+object Caller {
+  def apply()(implicit c: Caller) = c.value
+  implicit def generate: Caller = macro impl
+  def impl(c: Context): c.Tree = {
+    import c.universe._
+    q"new _root_.mill.define.Caller(this)"
+  }
+}
+\ No newline at end of file