Bukkit/CraftBukkit — comment on commit 6381da2d8a3a7896faafc778893749b43da199be
File: src/main/java/org/bukkit/craftbukkit/inventory/RecipeIterator.java line 35
By tips48:

Hell, you could simplify the other one to return recipes.hasNext() || smelting.hasNext() :P I just pointed out the first one I saw