1 files changed, 1 insertions, 0 deletions
diff --git a/002test.cc b/002test.cc
index 76bf02cf..ea75db82 100644
--- a/002test.cc
+++ b/002test.cc
@@ -88,6 +88,7 @@ long long int to_integer(string n) {
   char* end = NULL;
   // safe because string.c_str() is guaranteed to be null-terminated
   long long int result = strtoll(n.c_str(), &end, /*any base*/0);
+  if (*end != '\0') raise << "tried to convert " << n << " to number\n";
   assert(*end == '\0');
   return result;
 }