1848 - core instructions now check for ingredients

Also standardized warnings.

1 files changed, 2 insertions, 1 deletions

diff --git a/045space_surround.cc b/045space_surround.cc
index b90d464f..1ab41c91 100644
--- a/045space_surround.cc
+++ b/045space_surround.cc
@@ -41,7 +41,8 @@ long long int space_base(const reagent& x, long long int space_index, long long
 long long int space_index(const reagent& x) {
   for (long long int i = /*skip name:type*/1; i < SIZE(x.properties); ++i) {
     if (x.properties.at(i).first == "space") {
-      assert(SIZE(x.properties.at(i).second) == 1);
+      if (SIZE(x.properties.at(i).second) != 1)
+        raise << current_recipe_name() << ": /space metadata should take exactly one value in " << x.original_string << '\n' << end();
       return to_integer(x.properties.at(i).second.at(0));
     }
   }