diff -r 4c7122a505d4 -r 2f927eae429b tuple.lua
--- a/tuple.lua	Sun Sep 06 21:24:39 2020 +0300
+++ b/tuple.lua	Sun Sep 06 22:12:52 2020 +0300
@@ -2,7 +2,7 @@
 --@module tuple
 local tuple={}
 
-function tuplefst(a, b)
+function tuple.fst(a, b)
     return a
 end