Deriving ​

Deriving is a set of behaviors or extensions that the compiler must implement for types. These are implemented by the compiler, the developer should only request them to be implemented.

Derive: Clone ​

Clone adds support to structs for the built-in clone function. The compiler adds an algorithm that can deep copy every field of the structure at runtime.

For example:

#derive Clone
struct SliceWrapper {
    buffer: []int
}

This may not always be possible. If the structure defines fields with a data type that does not support deep copy, the Clone derive will fail.