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<https://blog.jetbrains.com/kotlin/2021/09/validating-input-advent-of-code-in-kotlin/|Idiomatic Kotlin: Solving Advent of Code Puzzles, Passport Validation>
Today in “Idiomatic Kotlin”, we’re looking at day 4 of the Advent of Code 2020 challenges, in which we tackle a problem that feels as old as programming itself: input sanitization and validation. Day 4. Passport processing We need to build a passport scanner that, given a batch of input text, can count how many […]