From 8796ce5b208097bb1a0ecd9c9a9728c30b0c66da Mon Sep 17 00:00:00 2001
From: Dennis Klein <d.klein@gsi.de>
Date: Wed, 13 Oct 2021 15:10:00 +0200
Subject: [PATCH] feat: Add new assertm macro

This allows to add a message to the assertion which can improve
readability of error diagnostics.
---
 fairmq/Error.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/fairmq/Error.h b/fairmq/Error.h
index 9a3464f5..eed0d56b 100644
--- a/fairmq/Error.h
+++ b/fairmq/Error.h
@@ -9,10 +9,15 @@
 #ifndef FAIR_MQ_ERROR_H
 #define FAIR_MQ_ERROR_H
 
+#include <cassert>
 #include <fairmq/tools/Strings.h>
 #include <stdexcept>
 #include <system_error>
 
+// Macro copied from https://en.cppreference.com/w/cpp/error/assert
+// Use (void) to silent unused warnings.
+#define assertm(exp, msg) assert(((void)msg, exp))
+
 namespace fair::mq {
 
 struct RuntimeError : ::std::runtime_error