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Articles tagged with #crystal
In the previous episode we've taken a look at Ruby Regular Expression API. I want to try a few more languages, and the most obvious one to start with is Crystal. A lot of solutions work exactly like in Ruby, but some of the differences are interestin...
Ameba is a linter for Crystal. I wrote a bit of Crystal code recently, so let's see how it goes. I'll run it in both default settings and with --all. Hopefully there will be few false positives with default settings. Shebang issue ameba was ignoring ...
While I was writing puzzle game solvers in Z3 Crystal, one issue I was running into more than anything else was existence of Char type. Most modern languages don't have character type. "foo"[0] in most languages is a "f" - a String that just so happe...
This is the final episode with Crystal Z3 solvers, at least for now. In previous episode I showed how to solve Lights Up puzzle with math, now it's time to write a Crystal Z3 solver. Light Up (Akari) is a simple puzzle with following rules: there's ...
Light Up (Akari) is a simple puzzle with following rules: there's a grid of cells some cells are wall cells your task is to place light bulbs in some of the cells light spreads horizontally and vertically from light bulbs, but it doesn't pass throug...
Dominosa is a puzzle with simple rules: there's a grid filled with numbers you need to pair those numbers into dominos each domino needs to be different As usual, I recommend playing the puzzle a few times to get a good feel for it. It will make it...