And the Winners for the Seven Vouchers for Fedor's Book "The Art of Writing Efficient Programs" are

I'm happy to present the seven winners in this post including their answers.

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Views: 3166

The Type-Traits Library: Type Checks

The type-traits library is part of C++11 and supports type checks, type comparisons, and type modifications at compile-time. The library has more than 100 functions but grows with each new C++ standard release. Today, I present the type checks.

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Views: 4542

Template Metaprogramming - Hybrid Programming

First of all, hybrid programming is not an official term. I created it to emphasize a very interesting aspect of templates. The difference between function arguments and template arguments.

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Views: 4678

Seven Voucher for Fedor G. Pikus Book "The Art of Writing Efficient Programs"

I'm happy to announce that I have to offer five vouchers for a digital and two vouchers for a printed issue of Fedor G. Pikus book "The Art of Writing Efficient Programs". The sponsor of these coupons is Packt.

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Views: 3213

Template Metaprogramming - How it Works

In my last post "Template Metaprogramming - How it All Started", I wrote about the roots of template metaprogramming and presented the hello world of template metaprogramming: calculating the factorial of a number at compile time. In this post, I will write about, how template metaprogramming can be used to modify types at compile time.

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Views: 3944

Template Metaprogramming - How it All Started

Metaprogramming is programming on programs. C++ applies metaprogramming at compile time. It started in C++98 with template metaprogramming, was formalized in C++11 with the type-traits library, and since C++11 has steadily improved. The main driving force is constant expressions. In this post, I want to write about its roots.

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Views: 8492

Automatic Return Type (C++11/14/20)

I started my discussion about the  "Automatic Return Type (C++98)" in my last post. Today, I'm faced with the same challenge but solve it with C++11, C++14, and C++20.

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Views: 5561

Automatic Return Type (C++98)

Depending on the used C++ standard, there are different ways to return the right return type of a function template. In this post, I start with traits (C++98), continue in my next post with C++11/14, and end with concepts (C++20).

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Views: 5925

Dependent Names

A dependent name is essentially a name that depends on a template parameter. A dependent name can be a type, a non-type, or a template parameter. To express that a dependent name stands for a type or a template, you have to use the keywords typename or template.

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Views: 8757

The Special Friendship of Templates

A friend has unrestricted access to the members of a class. Consequently, friendship should be given wisely. Regarding templates, friendship is special.

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Views: 2832

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