How I would've written it. Rust beginner, but 'been there, done that' in FP: https://gist.github.com/danieldk/3bd3b84c1a7c8bc8c902314a488cd210 https://gist.git

How I would've written it. Rust beginner, but 'been there, done that' in FP: https://gist.github.com/danieldk/3bd3b84c1a7c8bc8c902314a488cd210 https://gist.github.com/danieldk/3bd3b84c1a7c8bc8c902314a488... (Compiles and seems to work properly on a small document collection.)