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What are the new features in C++17?

What are the new features in C++17?

C++17 includes the following new language features:

  • template argument deduction for class templates.
  • declaring non-type template parameters with auto.
  • folding expressions.
  • new rules for auto deduction from braced-init-list.
  • constexpr lambda.
  • lambda capture this by value.
  • inline variables.
  • nested namespaces.

Which feature is not available in C++17?

But this is not the case, as “std::pair” is a standard template library class. Whereas the template classes cannot allow type deduction during initialization. Now it is possible to compile the above source code under C++17 language conformant compiler….Fold expressions.

Operator Default values
, void()
|| false

What are the new features in C ++ 14?

These are the features added to the core language of C++14.

  • Function return type deduction.
  • Alternate type deduction on declaration.
  • Relaxed constexpr restrictions.
  • Variable templates.
  • Aggregate member initialization.
  • Binary literals.
  • Digit separators.
  • Generic lambdas.
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What are the features of C++?

Top 7 Most Powerful Features of C++ You Should Know About

  • Object Oriented Programming. a. Data Abstraction. b. Data Encapsulation. c. Data Hiding. d. Inheritance. e. Polymorphism.
  • Machine Independent.
  • Simple.
  • Intermediate Level Programming Language.
  • Compiler-Based.
  • Dynamic Memory Allocation.
  • Integration and Extendability.

Does C++ get updated?

C++ is standardized by an ISO working group known as JTC1/SC22/WG21. So far, it has published six revisions of the C++ standard and is currently working on the next revision, C++23….Standardization.

Year C++ Standard Informal name
2020 ISO/IEC 14882:2020 C++20, C++2a

Where can I learn C++ online free?

LearnCpp.com is a free website devoted to teaching you how to program in C++. Whether you’ve had any prior programming experience or not, the tutorials on this site will walk you through all the steps to write, compile, and debug your C++ programs, all with plenty of examples.

Which is better C++ or C++14?

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You can clearly see that C is much faster than C++14 but the thing to notice is that when using that modification(boost) it can be clearly seen that C++14 and C++ outperforms C in their execution time (in case of large test cases).

What are the five best features of C++?

Here are some of the remarkable features of C++ language:

  • OOP (Object-Oriented Programming) C++ is an object-oriented language, unlike C which is a procedural language.
  • Platform or Machine Independent/ Portable.
  • Simple.
  • High-level programming language.
  • Popular.
  • Case sensitive.
  • Compiler-Based.
  • DMA (Dynamic Memory Allocation)

What features make C++ powerful?

C++ is the most-efficient and powerful language because of its high-level functionalities. The main 4 pillars of C++ are Abstraction, Encapsulation, Inheritance, and Polymorphism.

Is C11 better than C99?

It replaced C99 (standard ISO/IEC 9899:1999) and has been superseded by C17 (standard ISO/IEC 9899:2018). C11 mainly standardizes features already supported by common contemporary compilers, and includes a detailed memory model to better support multiple threads of execution.

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What was introduced in C++ 11?

The C++11 Standard Library was also revamped with new algorithms, new container classes, atomic operations, type traits, regular expressions, new smart pointers, async() facility, and of course a multithreading library. A complete list of the new core and library features of C++11 is available here.