:art: disable const generics in funcs for now

diff --git a/ast b/ast
index af83569d3ea73781b6c3182c06e5ce22700e2ea3..a5c6befc5a5a1ccd587a73db88adac70f068d1bc 160000 (submodule)
--- a/ast
+++ b/ast
@@ -1 +1 @@
-Subproject commit af83569d3ea73781b6c3182c06e5ce22700e2ea3
+Subproject commit a5c6befc5a5a1ccd587a73db88adac70f068d1bc