Haven't done extra credit yet.

1 files changed, 14 insertions, 0 deletions

diff --git a/challenge-054/simon-proctor/raku/ch-2.p6 b/challenge-054/simon-proctor/raku/ch-2.p6
new file mode 100644
index 0000000000..d5e06d7387
--- /dev/null
+++ b/challenge-054/simon-proctor/raku/ch-2.p6
@@ -0,0 +1,14 @@
+#!/usr/bin/env raku
+
+use v6;
+
+#| Print the Collatz list for target
+multi sub MAIN(
+    UInt \target #= Number to print the target for
+){
+    (target,{collatz($^a)}...1).join(' -> ').say;
+}
+
+multi sub collatz( UInt \n where { n %% 2 } ) { n div 2; }
+
+multi sub collatz( UInt \n where { n !%% 2 } ) { (3 * n) + 1; }