| Name | Lines of code | Maintainability | Test coverage |
| lib/functions/count.js | 16 | A 0 mins | |
| lib/functions/filter.js | 17 | A 0 mins | |
| examples/infinite.js | 17 | A 0 mins | |
| lib/functions/__tests__/first.test.js | 18 | A 2 hrs | |
| lib/asyncFunctions/__tests__/toArrayAsync.test.js | 19 | A 0 mins | |
| lib/functions/__tests__/concat.test.js | 19 | A 0 mins | |
| lib/functions/last.js | 20 | A 0 mins | |
| lib/functions/__tests__/mapMany.test.js | 22 | A 0 mins | |
| lib/asyncFunctions/firstAsync.js | 23 | A 0 mins | |
| lib/functions/__tests__/count.test.js | 25 | A 0 mins | |
| lib/functions/reduce.js | 26 | A 0 mins | |
| lib/functions/__tests__/last.test.js | 26 | A 2 hrs | |
| examples/extending.js | 29 | A 0 mins | |
| lib/utils/__tests__/createITerable.test.js | 29 | A 0 mins | |
| lib/functions/__tests__/get.test.js | 29 | A 0 mins | |
| lib/functions/__tests__/single.test.js | 32 | A 2 hrs | |
| lib/functions/__tests__/reduce.test.js | 34 | A 0 mins | |
| lib/functions/index.js | 38 | A 0 mins | |
| lib/asyncFunctions/__tests__/firstAsync.test.js | 44 | A 0 mins | |
| examples/performance.js | 48 | A 0 mins | |
| lib/Iterable.js | 73 | A 0 mins |