AdventOfCode2018

Advent of code solutions for 2018

Advent of Code solutions for 2018

Requirements

Crystal-lang, at least 0.27.0

Running tests

Most (but not all) solutions have tests, in a spec/ subdirectory in the day's directory. To run the test, cd into the day's dir and run crystal spec.

What's the deal with that weird unless PROGRAM_NAME thing?

Normally, you write your "library" logic in one Crystal file and your executable "wrapper" in another file, and your specs import the library file and test it.

However, that's a lot of overhead for these problems, but I like the idea of being able to TDD my way to solutions given the sample input/outputs, so each of my solutions checks to see if the file is being imported as part of running specs (by looking at the current executable name and matching against a special name Crystal uses for the crystal spec command) and if so, doesn't execute the "main"/"executable" logic.

Repository

AdventOfCode2018

Owner
Statistic
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  • almost 6 years ago
  • December 1, 2018
License

MIT License

Links
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