Add test

Author: liufengyun

tests/init/pos/TypeMap.scala

@@ -0,0 +1,13 @@
+class Type
+
+abstract class TypeMap:
+  thisMap =>
+  def apply(tp: Type): Type
+  def andThen(f: Type => Type): TypeMap = new TypeMap:
+    def apply(tp: Type) = f(thisMap(tp))
+
+class Test:
+  val typeMap = new TypeMap:
+    def apply(tp: Type) = tp
+  println(typeMap)
+  val n = 10