Web Reference: A range can be both beginless and endless. For literal beginless, endless ranges, at least the beginning or end of the range must be given as an explicit nil value. It is recommended to use an explicit nil beginning and end, since that is what Ruby uses for Range#inspect: Ruby core classes that do so include Array, Complex, File::Stat, Float, Integer, Kernel, Module, Numeric, Rational, String, Symbol, and Time. Example: A range can be iterated over only if its elements implement instance method succ. Ranges occur everywhere: January to December, 0 to 9, lines 50 through 67, and so on. Ruby supports ranges and allows us to use ranges in a variety of ways β The first and perhaps the most natural use of ranges is to express a sequence.
YouTube Excerpt: In this video we go through a few different types on how to incorporate
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