The border is fuzzy, so there wouldn't be a yes or no answer. Here are a couple of things that make your example more declarative than OP's code: 1. While each

The border is fuzzy, so there wouldn't be a yes or no answer. Here are a couple of things that make your example more declarative than OP's code: 1. While each line is a separate step that's done in order, it's done on the results of the previous step. So it's like "get me the sum of the products of the results of foo" rather than "do x, then do y, then do z". 2. Your example has less steps.