tl;dr Pass and return by reference to avoid large struct copying. It’s type and memory safe. It can be even faster than unsafe! Introduction Since C# 1.0 we could pass arguments to methods by reference. It means that instead of copying value types every time we pass them to a method we can just pass them by reference. It allows us to overcome one of the very few disadvantages of value types which I described in my previous blog post “Value Types vs Reference Types”. Passing is not enoug...
