From 6a9e6bd0b440234e6b5f89414ca340867e8b6c98 Mon Sep 17 00:00:00 2001
From: Akshay <nerdy@peppe.rs>
Date: Fri, 9 Oct 2020 18:05:56 +0530
Subject: doc/todos

---
 readme.txt       | 8 +++++---
 src/Operators.hs | 4 ++++
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/readme.txt b/readme.txt
index 3892f01..6a4be58 100644
--- a/readme.txt
+++ b/readme.txt
@@ -18,9 +18,11 @@ cabal:
 
   cabal run
 
+
 todo
 ----
 
-* use Control.Monad.Except from mtl to handle errors
-* implement property based testing with quickcheck, look
-  under tests/Properties.hs
+* implement correct double/int interaction (src/Operators.hs)
+* implement boolean operations: and, not, or
+* write Ord instance for LispNumber (src/Operators.hs)
+* implement property based testing with quickcheck (tests/Properties.hs)
diff --git a/src/Operators.hs b/src/Operators.hs
index 9eaec38..fc0608e 100644
--- a/src/Operators.hs
+++ b/src/Operators.hs
@@ -19,6 +19,10 @@ data LispNumber = I Integer
                 | F Double
 
 instance Num LispNumber where
+    -- TODO:
+    -- float op anything = float
+    -- int op int = int
+    -- int op float = float
     (I a) + (I b) = I $ a + b
     (F a) + (F b) = F $ a + b
     (I a) - (I b) = I $ a - b
-- 
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