代写代考 # Enums, pattern matching, Collections, Error handling
# Enums, pattern matching, Collections, Error handling Source: [ ](https://doc.rust-lang.org/book/ch06-00-enums.html) Copyright By PowCoder代写 加微信 powcoder With enums you can define a type that has multiple possible variants. We’ll first look at how enums can be defined, then we’ll look at a special enum, called Option, which which expresses that a value can be either something […]
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