Discover C++17's new features and tools to optimize your code. Explore fundamentals and advanced techniques, and gain insights through hands-on coding exercises to master C++.

cpp17.tar.gz

c++17

C++17N

adaptor

C++ is one of the most prominent programming languages in the world. Along with optimized performance, the diverse functionality it offers has kept the language relevant for two decades. The C++ Standard Library, which is the collection of all the tools and utilities available in C++, received its latest update in 2017. Known as C++17, the update introduces many new features that further optimize our code.

Join us in this course as we venture into the vast world of C++17. We’ll examine the fundamentals of the language, before moving on to more complex yet powerful tools. You can also experiment with the code provided and hence, gain a higher understanding of how things work. This course is perfect for anyone willing to fully grasp C++ and use it to its full potential. Welcome aboard!

Rick Audet

Arguably the quickest and easiest way to get up to speed on
the most important parts of the C++ standard library. Recommended for any modern C++ programmer.

Senior Engineer, Dolby Laboratories

Odin Holmes

Das Buch beinhaltet, wie der Name schon sagt, eine recht ausführliche Beschreibung der STL. Dabei merkt Mann deutlich dass der Autor auch selber auf hohem Niveau programmiert. Es gibt oft den ein oder andere Tipp oder Wink in die richtige Richtung die bei Bücher von Berufsautoren oft fehlen. Z.B. die Aussage dass std::vector für 95% aller Fälle die beste Wahl ist oder dass std::async meistens die erste Wahl sein sollte lenkt der Leser geschickt in die richtige Richtung.

Auch die Auswahl an Komponente aus der STL ist sehr gut getroffen (keiner kann in ein kürzen Buch die ganze STL beschreiben). Oft sehe ich, vor allem in Deutschsprachige Literatur, dass die Auswahl eher auf Komponente trifft die leicht zu beschreiben sind und nicht auf die Nützlichen. Eine gute und dennoch kürze Beschreibung vom std::regex z.B. ist weiß Gott nicht einfach aber in diesem Fall ist es der Autor sehr gelungen.

CEO/CTO at Auto-Intern GmbH

Ramon Wartala

Die 215 Seiten plus Index des ’C++ kurz & gut’ vom Autor Rainer Grimm stellen ein gelungene Destillat viel umfangreicherer Texte zum Thema da. So nimmt das Kapitel über die klassischen Algorithmen der Standardbibliothek ganze 131 Seiten ein. Selbst kurze Beispiele für die Anwendung der wichtigsten Bestandteile der Standardbibliothek passen eng gedruckt in das schmale Büchlein. Auch wenn heute Tools wie Dash oder entsprechend ausgestattete IDEs, mehr und mehr den Platz derartiger Desktop-Referenzen einnehmen, ist das ’kurz & gut’ zu C++ Standardbibliothek ein leichter und mobiler Begleiter für jeden C++ Entwickler. Und als Kindle Version um so bequemer mitzunehmen.

Director Technology at Performance Media GmbH

C++ Standard Library including C++ 14 & C++ 17

The new [filesystem library](http://en.cppreference.com/w/cpp/filesystem) is based on [boost::filesystem](http://www.boost.org/doc/libs/1_65_1/libs/filesystem/doc/index.htm). Some of its components are optional. This means not all functionality of std::filesystem is available on each implementation of the filesystem library. For example, FAT-32 does not support symbolic links.

> ℹ️ **Using cppreference.com**
>\
> At the time of the writing this book (October 2017), I had no C++-compiler at my disposal that supports the new filesystem library; therefore, I executed the programs in this chapter with the newest GCC-compiler on [cppreference.com: filesystem](http://en.cppreference.com/w/cpp/filesystem) that supports the new filesystem library. 
>
> To use the new filesystem library you may have to include and apply the experimental namespace.  
>```C++
>#include <experimental/filesystem>
>namespace fs = std::experimental::filesystem;
>```
>All examples in this chapter are written without the experimental namespace. 

The library is based on the three concepts: file, file name, and path. 

* A *file* is an object that holds data such that you can write to it or read from it. A file has a name and a file type. A file type can be a directory, hard link, symbolic link or a regular file.
   * A *directory* is a container for holding other files. The current directory is represented by a dot `"."`; the parent directory is represented by two dots `".."`.

   * A *hard link* associates a name with an existing file.

   * A *symbolic link* associates a name with a path that may exist.

   * A *regular file* is a directory entry which is neither a directory, a hard link, nor a symbolic link.
   
* A *file name* is a string that represents a file. It is implementation-defined which characters are allowed, how long the name could be or if the name is case sensitive.

* A *path* is a sequence of entries that identify the location for a file. It has an optional root-name such a "C:" on Windows, followed by a root-directory such a "/" on Unix. Additional parts can be directories, hard links, symbolic links, or regular files. A path can be absolute, canonical, or relative.

   * An *absolute path* is a path that identifies a file.

   * A *canonical path* is a path that includes neither a symbolic link nor the relative paths `"."` (current directory) or `".."`(parent directory).

   * A *relative path* specifies a path relative to a location in the file system.  Paths such as `"."` (current directory), `".."`(parent directory) or `"home/rainer"` are relative paths. On Unix, they do not start at the root-directory `"/"`.   

Here is an introductory example of the filesystem.

This newly added feature lets us interact with the directories and files on our system.

Introduction

The Standard Library

Overview

Application of Libraries

Utilities

Useful Functions

Adaptors for Functions

Pairs and Tuples

Reference Wrappers

Smart Pointers

Type Traits

Time Library

std::any, std::optional, and std::variant

Interface of All Containers

Sequential Containers

Associative Containers

Ordered Associative Containers

Unordered Associative Containers

Adaptors for Containers

Iterators

Callable Units

Algorithms

Non-Modifying Algorithms

Modifying Algorithms

More Algorithms

New Algorithms with C++17

Numeric

Strings

String View

Regular Expressions

Input and Output Streams

File Systems

Multithreading

Filesystem library