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No More Nulls - Date: October 21, 2015 - Subject: Enumerated (`enum`) types, pattern matching, and meaningful return values. # Notes Today’s episode discusses, in order: - Enumerated types, with an eye to the difference between structs and enums, and to the differences between enums in C and in Rust. - Pattern matching, with a focus on using them with enumerated types and some discussion about how they differ from switch blocks in C-like languages. - Using the Option and Result enumerated types with pattern matching to provide meaningful returns from functions safely. ## Order There is a specific order to the examples below, and it is _not_ the automatically-alphabetized order rendered by rustdoc. Instead, you should work through in the sequence they appear in the source: 1. RelatedishThings 2. demonstrate_basic_enumeration 3. demonstrate_match 4. get_an_option 5. demonstrate_option 6. get_a_result 7. demonstrate_result