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diff --git a/rustlings/exercises/12_options/README.md b/rustlings/exercises/12_options/README.md deleted file mode 100644 index 624572a..0000000 --- a/rustlings/exercises/12_options/README.md +++ /dev/null @@ -1,21 +0,0 @@ -# Options - -Type Option represents an optional value: every Option is either Some and contains a value, or None, and does not. -Option types are very common in Rust code, as they have a number of uses: - -- Initial values -- Return values for functions that are not defined over their entire input range (partial functions) -- Return value for otherwise reporting simple errors, where None is returned on error -- Optional struct fields -- Struct fields that can be loaned or "taken" -- Optional function arguments -- Nullable pointers -- Swapping things out of difficult situations - -## Further Information - -- [Option Enum Format](https://doc.rust-lang.org/book/ch10-01-syntax.html#in-enum-definitions) -- [Option Module Documentation](https://doc.rust-lang.org/std/option/) -- [Option Enum Documentation](https://doc.rust-lang.org/std/option/enum.Option.html) -- [if let](https://doc.rust-lang.org/rust-by-example/flow_control/if_let.html) -- [while let](https://doc.rust-lang.org/rust-by-example/flow_control/while_let.html) |