Functional combinators over generators (output) and iterables (input) works well for this type of problems, including ts type safety ie. [0]. We use it in produ

Functional combinators over generators (output) and iterables (input) works well for this type of problems, including ts type safety ie. [0]. We use it in production in many places and works well for years for us. [0] https://observablehq.com/@mirek/project-euler https://observablehq.com/@mirek/project-euler