Add contramap to Printable

propensive · Oct 6, 2024 · eca5bf0 · eca5bf0
1 parent 22a86fb
commit eca5bf0
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/print/anticipation.Printable.scala b/src/print/anticipation.Printable.scala
@@ -26,3 +26,6 @@ object Printable:
 trait Printable:
   type Self
   def print(text: Self, termcap: Termcap): Text
+
+  def contramap[SelfType](lambda: Termcap ?=> SelfType => Self): SelfType is Printable =
+    (self, termcap) => print(lambda(using termcap)(self), termcap)