From: Samir Benmendil <me@rmz.io>
Date: Sun, 14 Jan 2018 16:26:47 +0000 (+0000)
Subject: Use do to parse numbers
X-Git-Url: https://git.rmz.io/my-scheme.git/commitdiff_plain/dc35484a906c23592e0170f051d74265ed2e8b46?hp=dc35484a906c23592e0170f051d74265ed2e8b46

Use do to parse numbers

This is not necessarily better than the `liftM` method (probably isn't).
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