Data commit

Task/Exceptions/Lua/exceptions-1.lua

@@ -0,0 +1 @@
+error("Something bad happened!")

Task/Exceptions/Lua/exceptions-2.lua

@@ -0,0 +1,11 @@
+function throw_error()
+    error("Whoops")
+    -- won't ever appear, due to previous error() call
+    return "hello!"
+end
+
+-- 'status' is false if 'throw_error' threw an error
+-- otherwise, when everything went well, it will be true.
+-- 'errmsg' contains the error message, plus filename and line number of where the error occured
+status, errmsg = pcall(throw_error)
+print("errmsg = ", errmsg)

Task/Exceptions/Lua/exceptions-3.lua

@@ -0,0 +1,8 @@
+function throw_error_with_argment(argument)
+    error(string.format("Whoops! argument = %s", argument))
+    -- won't ever appear, due to previous error() call
+    return "hello!"
+end
+
+status, errmsg = pcall(throw_error_with_argment, "foobar 123")
+print("errmsg = ", errmsg)

Task/Exceptions/Lua/exceptions-4.lua

@@ -0,0 +1,6 @@
+function throw_error_with_argment(argument)
+    return "hello!"
+end
+
+status, errmsg = pcall(throw_error_with_argment, "foobar 123")
+print("errmsg = ", errmsg)