https://github.com/oldk1331/fricas/commit/66ef818c3c4cbbdf8754f9c84a21d1b5ae34750b.patch

fix Stack's construct

diff --git a/src/algebra/bags.spad b/src/algebra/bags.spad
index 7fa4f8b..4b82018 100644
--- a/src/algebra/bags.spad
+++ b/src/algebra/bags.spad
@@ -41,7 +41,7 @@
     insert!(e : S, s : %) : % == (push!(e, s);s)
     empty() == ref nil()$List(S)
     empty? s == null deref s
-    construct s == ref copy s
+    construct s == ref s
     stack s == construct s
     hashUpdate!(st, s) == hashUpdate!(st, deref s)


https://github.com/oldk1331/fricas/commit/38eb192550f2dc2a398eb5320b5a4b5f9194c58f.patch

add testsuite for bags.spad.  This testsuite passes
before and after next patch:

https://github.com/oldk1331/fricas/commit/ec0459a890a82d5afe6bcbb7f108ad617322d11f.patch

more efficient Rep for Queue and Dequeue.


BTW, what do you think of the argument I made for map
in previous mail?

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