Learn Rust Series (#43) - std::mem: swap, replace, take & forget What will I learn You will learn why you cannot simply move a value out of a &mut, and what to do instead; how std::mem::swap exchanges

Learn Rust Series (#42) - Drop Order, the Drop Check & Leak Safety What will I learn You will learn the exact order values and struct fields are dropped in; what the drop check is, and why a type with

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Learn Rust Series (#41) - Building Your Own Smart Pointer What will I learn You will learn how to build a smart pointer from scratch by combining Deref, DerefMut and Drop; how a real reference-counted

Learn Rust Series (#40) - Arena & Bump Allocation Patterns What will I learn You will learn what arena and bump allocation are, and why they are so fast; how allocating many values together and freeing

Learn Rust Series (#39) - Variance: Covariance, Contravariance & Why It Matters What will I learn You will learn what lifetime subtyping is, and why a longer lifetime can stand in for a shorter one;

Learn Rust Series (#38) - PhantomData, Zero-Sized Types & Marker Lifetimes What will I learn You will learn what a zero-sized type is and why it occupies no memory at all; what PhantomData<T>

Learn Rust Series (#37) - Pin & Self-Referential Structs What will I learn You will learn why a struct that holds a pointer into its own data breaks the moment it is moved; what Pin<P> actually