{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"//!"}]}
//! Value Optimization, or NRVO, known from the C++ world, except that it isn't limited to return
//! Conceptually, this optimization is "destination propagation". It is similar to the Named Return
//! values or the return place `_0`. On a very high level, independent of the actual implementation