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Broadening our definition of “parsing” yields some useful insights.
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Ruby’s safe navigation can hide some subtle edge cases. We explore approaches to think about conditional logic, alternatives to &., and when &. is the best tool for the job.
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When modeling a domain, it’s important to have our model actually match reality.
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Less is more. Wrapping primitives in custom types restricts your available operations and that’s a good thing.
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Parsers, grepping, ASCII art, and how that helps you automating boring stuff.
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A little combination math goes a long way to catching edge cases.
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Write Boolean expressions using operators instead of if/else for a more readable outcome.
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Test-driven development, object-oriented design, and functional programming converge on some similar ideas.
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Some ideas from functional programming can help us improve the unit tests for our object-oriented code.
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Adding type checking to dynamically typed languages is possible, and awesome!