Debugging할때 나오는 Alingment와 Size 개념을 잡아보자. The reason Vulkan uses optional<uint32_t> here is semantic rather than performance-related: a queue-family index may or may not have been found yet. The optional makes that state explicit instead of inventing a special sentinel integer.

Vulkan bit shift explanation

clang&gcc로 초기화되지 않는 변수 에러 찾기 & Finding variable errors that are not initialized with clang & gcc

constexpr c23 basic

In Rust, both /// and //! are documentation comments, but they document different things.

https://crates.io/crates/rust-latex-doc-minimal-example

Optimization) Parallels, 최적화