From 6cae457948a4aaa2f94b0bdfad8eb4ab42054751 Mon Sep 17 00:00:00 2001
From: Son Ho
Date: Wed, 12 Jan 2022 14:23:20 +0100
Subject: Add a TODO.md file

---
 TODO.md | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 TODO.md

diff --git a/TODO.md b/TODO.md
new file mode 100644
index 00000000..864c822b
--- /dev/null
+++ b/TODO.md
@@ -0,0 +1,24 @@
+* update assign_to_place: problem with the value to assign which is hanging in
+  the air.
+  Maybe: push it to a dummy variable?...
+  TODO: x = move x where x contains borrows.
+  I think we should move the operands to specific "temporary" variables.
+
+* Check what happens when symbolic borrows are not expanded (when looking for
+  borrows/abstractions to end).
+
+* Detect loops in end_borrow/end_abstraction
+
+* split `apply_proj_borrows` into two:
+  * `apply_proj_borrows_on_input_values` : ... -> value -> rty -> avalue
+  * `apply_proj_borrows_on_given_back_values` : ... -> value -> avalue -> avalue
+
+* During printing, contexts are often big, with many variables containing "bottom".
+  Some variables also actually never get assigned, especially when they are used
+  for auxiliary assignments which don't exist anymore (because they were merged
+  with other operations - for arithmetic operations, for instance).
+  Maybe we should register which variable has been assigned at least once, and
+  print only those (thus skipping a big part of the environment for some time).
+
+* Some variables have the same name. It might be good to also print their id
+  to disambiguate?
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