1 files changed, 19 insertions, 0 deletions
diff --git a/src/FunctionUtils.scala b/src/FunctionUtils.scala
new file mode 100644
index 0000000..3d6610c
--- /dev/null
+++ b/src/FunctionUtils.scala
@@ -0,0 +1,19 @@
+package ixee.cryptopals.utils
+
+object FunctionUtils {
+  // Because doing (_ f _).tupled confuses the inferencer...
+  def tup[A, B, C](f: (A, B) => C): ((A, B)) => C = f.tupled
+
+  def ident[A]: A => A = { x => x }
+
+  implicit class Compositor[A, B](f: A => B) {
+    def :|[C](g: B => C): A => C = f.andThen(g)
+  }
+
+  implicit class Tap[A](x: A) {
+    def tap(f: A => Any): A = {
+      f(x)
+      x
+    }
+  }
+}