{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"///"}]}
/// (NRVO) that is guaranteed in C++. This avoids a stack allocation and `memcpy` for the
/// This allows LLVM to perform an optimization similar to the named return value optimization
/// relatively common pattern of allocating a buffer on the stack, mutating it, and returning it by