Tutorial by Examples: asref

std::convert::AsRef and std::convert::AsMut are used for cheaply converting types to references. For types A and B, impl AsRef<B> for A indicates that a &A can be converted to a &B and, impl AsMut<B> for A indicates that a &mut A can be converted to a &mut B. Thi...

For functions that need to take a collection of objects, slices are usually a good choice: fn work_on_bytes(slice: &[u8]) {} Because Vec<T> and arrays [T; N] implement Deref<Target=[T]>, they can be easily coerced to a slice: let vec = Vec::new(); work_on_bytes(&vec); le...

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