In C++ programming, there are situations where we need to pass references without making copies or use constant objects where references are needed. To address these issues, the C++ standard library provides three useful tools: std::cref, std::ref, and std::reference_wrapper. This article delves into the purposes, distinctions, and practical applications of these tools.
Additionally, in the Rust language, the Unwrap method is often implemented. How can we achieve this in C++?
C++ vs Rust: Crafting an Unwrap-Like Function Inspired by Rust
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