Refactoring a 1000-Line Method into Clean(er) Code
summary
A single ~1,000-line function is dissected and reduced by extracting a depth‑first generator, printing helpers, and rule objects, using ReSharper to guide but intentionally breaking the build to force safe redesign. Roughly a hundred‑plus lines are cut out per refactor, presentation logic is separated from integer state, rule classes replace nested loops, behavior stays equivalent though randomness and unique‑solution guarantees remain open issues, and no comprehensive tests are added before the refactor.
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chapters (8)
- 0:00Start
- 0:06The 1000 line function
- 9:22Breaking regions into separate functions
- 17:20Using compile errors to cut code loose
- 25:15Extracting repeat code into separate functions
- 32:38Simplifying types and extracting utilities
- 38:48Understanding code and redesigning state
- 50:50Deeper object structures
