1 :(before "End Primitive Recipe Declarations")
 2 REAL_RANDOM,
 3 :(before "End Primitive Recipe Numbers")
 4 put(Recipe_ordinal, "real-random", REAL_RANDOM);
 5 :(before "End Primitive Recipe Checks")
 6 case REAL_RANDOM: {
 7   break;
 8 }
 9 :(before "End Primitive Recipe Implementations")
10 case REAL_RANDOM: {
11   // todo: limited range of numbers, might be imperfectly random
12   // todo: thread state in extra ingredients and products
13   products.resize