From ce66178d75acb25191e8191feb0d13e35d27c85b Mon Sep 17 00:00:00 2001
From: Enrico Lumetti <enrico.lumetti@gmail.com>
Date: Fri, 30 Apr 2021 00:42:25 +0200
Subject: [PATCH] Exceptions

---
 string_operations.m |  3 +++
 try_catch.m         | 11 +++++++++++
 2 files changed, 14 insertions(+)

diff --git a/string_operations.m b/string_operations.m
index f810f13..dbd3faa 100644
--- a/string_operations.m
+++ b/string_operations.m
@@ -9,6 +9,9 @@ char_array = 'abc';
 assert(all(char_array == ['a' 'b' 'c']));
 assert(all(size(char_array) == [1 3]));
 
+% single quotes are escaped by doubling
+escaped = 'this is a ''char array'''; % this is a 'char array'
+
 char_matrix = ['abc'; 'def'];
 assert(numel(char_matrix) == 6);
 
diff --git a/try_catch.m b/try_catch.m
index e69de29..8ed34ab 100644
--- a/try_catch.m
+++ b/try_catch.m
@@ -0,0 +1,11 @@
+clear
+% matlab exceptions are represented by MException
+try
+    non_existing + 3;
+catch e
+    % identifier is the type of the exception
+    assert(isequal(e.identifier, 'MATLAB:UndefinedFunction'));
+    assert(isequal(e.message, 'Unrecognized function or variable ''non_existing''.'));
+end
+
+% throw is used to throw a MException
\ No newline at end of file