From 26972b2523481c8e5d113a9e6f9853a20241cd2d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Del=20Pino?= <stephane.delpino44@gmail.com>
Date: Tue, 24 May 2022 19:03:54 +0200
Subject: [PATCH] Add doc for string comparison operators
---
doc/userdoc.org | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/doc/userdoc.org b/doc/userdoc.org
index 207e283d6..d2abb3de6 100644
--- a/doc/userdoc.org
+++ b/doc/userdoc.org
@@ -1407,6 +1407,20 @@ they follow a few rules.
\right.
\end{equation*}
#+end_src
+\\
+ This is also the case for ~string~ values: only allowed operators are
+ ~==~ and ~!=~.
+ #+begin_src latex :results drawer :exports results
+ \begin{equation*}
+ \left|
+ \begin{array}{rl}
+ \mathtt{==}:& \mathtt{string} \times \mathtt{string} \to \mathbb{B}\\
+ \mathtt{!=}:& \mathtt{string} \times \mathtt{string} \to \mathbb{B}
+ \end{array}
+ \right.
+ \end{equation*}
+ #+end_src
+
- Shift operators ~<<~ and ~>>~ are not used to define binary operators
between two basic types
- Arithmetic operators are defined
--
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