How can I synthesize a C++20 three-way comparison from two-way comparisons?--Raymond Chen

Flying to the future.

How can I synthesize a C++20 three-way comparison from two-way comparisons?

by Raymond Chen

From the article:

The C++20 three-way comparison operator <=> (commonly nicknamed the spaceship operator due to its appearance) compares two items and describes the result. It’s called the three-way comparison because there are five possible results: less, equal, equivalent, greater, and unordered.

Yeah, the name is kind of weird...

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