Merge pull request #34 from bbuccianti/main

I found one enum with a fn!

exercises/48_methods2.zig

@@ -69,3 +69,7 @@ fn visitElephants(first_elephant: *Elephant) void {
 //
 // 1) drforester - I found one in the Zig source:
 // https://github.com/ziglang/zig/blob/041212a41cfaf029dc3eb9740467b721c76f406c/src/Compilation.zig#L2495
+//
+// 2) bbuccianti - I found one!
+// https://github.com/ziglang/zig/blob/master/lib/std/debug.zig#L477
+//