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Modern C++ Programming Cookbook

You're reading from   Modern C++ Programming Cookbook Master C++ core language and standard library features, with over 100 recipes, updated to C++20

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Product type Paperback
Published in Sep 2020
Publisher Packt
ISBN-13 9781800208988
Length 750 pages
Edition 2nd Edition
Languages
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Author (1):
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Marius Bancila Marius Bancila
Author Profile Icon Marius Bancila
Marius Bancila
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Toc

Table of Contents (16) Chapters Close

Preface Learning Modern Core Language Features Working with Numbers and Strings FREE CHAPTER Exploring Functions Preprocessing and Compilation Standard Library Containers, Algorithms, and Iterators General-Purpose Utilities Working with Files and Streams Leveraging Threading and Concurrency Robustness and Performance Implementing Patterns and Idioms Exploring Testing Frameworks C Plus Plus 20 Core Features Bibliography Other Books You May Enjoy
Index

Using time I/O manipulators

Similar to the monetary I/O manipulators that we discussed in the previous recipe, the C++11 standard provides manipulators that control the writing and reading of time values to and from streams, where time values are represented in the form of an std::tm object that holds a calendar date and time. In this recipe, you will learn how to use these time manipulators.

Getting ready

Time values used by the time I/O manipulators are expressed in std::tm values. You should be familiar with this structure from the <ctime> header.

You should also be familiar with locales and how to set them for a stream. This topic was discussed in the Using localized settings for streams recipe. It is recommended that you read that recipe before continuing.

The manipulators discussed in this recipe are available in the std namespace, in the <iomanip> header.

How to do it...

To write a time value to an output stream, you should perform the...

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