From: Stefano Zampini <stefano.zampini@gmail.com>
Date: Tue, 17 Jan 2023 07:40:40 +0000 (+0300)
Subject: Implement standard exception for missing user implementation
X-Git-Tag: v9.5.0-rc1~601^2~3
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=acb8f96f179c32f64f7eee5e736ec0f150ef5fb2;p=dealii.git

Implement standard exception for missing user implementation
---

diff --git a/include/deal.II/base/exceptions.h b/include/deal.II/base/exceptions.h
index 40b288281d..b0648add4a 100644
--- a/include/deal.II/base/exceptions.h
+++ b/include/deal.II/base/exceptions.h
@@ -851,6 +851,14 @@ namespace StandardExceptions
     "been called; if the answer is 'yes', then you need to "
     "implement the missing override in your class.");
 
+  /**
+   * This exception is used if some user function is not provided.
+   */
+  DeclException1(ExcFunctionNotProvided,
+                 std::string,
+                 << "Please provide an implementation for the function \""
+                 << arg1 << "\"");
+
   /**
    * This exception is used if some object is found uninitialized.
    */