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Constrained and Unconstrained Placeholders

Explore how C++20 introduces the use of constrained and unconstrained placeholders with concepts to create function templates more intuitively. Understand the symmetry between auto and concepts in function declarations, enabling improved template programming and type safety.

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First, let me tell you about an asymmetry in C++14.

The big asymmetry in C++14

I often have a discussion in my classes that goes the following ...