Document Cool.trans

Part of #2277 D#2277

Author: zoffixznet

doc/Type/Cool.pod6

@@ -1333,6 +1333,14 @@ for @roots -> $r {
 # OUTPUT:«1.04441561648202e-14␤»
 =end code
 
+=head2 method trans
+
+Defined as:
+
+    method trans(|)
+
+Coerces the invocant to L<Str> and calls L<Str.trans|/type/Str#method_trans>
+
 =head2 method IO
 
 Defined as:
@@ -1456,7 +1464,6 @@ the case it's being used as a C<sub>
 
 
 TODO:
-trans,
 match, subst, sprintf, printf, samecase
 
 =end comment