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A list of the normal signatures of C++ operators that allow overloading

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GGerHobbelt
Last edited Feb 1, 2026
Created on Jan 31, 2026

This example demonstrates the normal signatures for C++ operators that support overloading, listing preferred free-function and member-function forms for arithmetic, bitwise, and logical operations. The code implements a template struct `T` with a custom tracing constructor that logs instantiations and operator calls, accompanied by comparison operators including the C++20 spaceship operator. The visualization is a text-based console output showing the resulting values and constructor/destructor traces for expressions like `t1 + t2` and `t1 <=> t2`. The example also verifies `std::format` support across clang, gcc, and MSVC compilers using the C++20 standard.

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