w10schools
Login Register
  • Home
  • Tutorials
    • HTML, CSS
      • HTML, HTML5
      • CSS, CSS3
    • XML
    • JavaScript, AJAX
    • PHP
    • Ruby on Rails
      • Ruby
      • Rails
    • ASP.NET
      • ASP
      • C# .NET
    • Java
      • JSP
    • Databases
      • MySQL
      • MSSQL Server
      • Oracle
    • Web Server
      • Windows
      • Linux
      • Apache
      • IIS
    • Design
      • Dreamweaver
      • Flash
      • Photoshop
      • Fireworks
      • CorelDRAW
      • Illustrator
  • References
    • HTML
      • Bootstrap
    • CSS
      • CSS Selectors
      • Sass
    • JavaScript
    • Mobile Apps
      • Cordova
    • Ruby on Rails
      • Ruby
      • Rails
    • PHP
      • Function
      • Language
      • CodeIgniter
      • Phalcon
      • PHPUnit
      • Symfony
      • Drupal
      • Yii
      • Laravel
    • Perl
      • Perl
    • Python
      • Python
      • Django
      • NumPy
      • Pandas
      • scikit-image
      • scikit-learn
      • Statsmodels
      • Matplotlib
    • Lua
      • Lua
    • C, C++
      • C
      • C++
    • Server
      • Docker
      • Apache HTTP Server
      • Nginx
    • Database
      • PostgreSQL
    • Big Data
      • TensorFlow
    • Game Development
      • Phaser
      • LÖVE
  • Articles
    • News
    • General
      • Website Promotion
      • Online Advertising
      • Make Money Online
    • Editorials
    • Interviews
    • Web Roundups
  • Resources
    • Design
      • Fonts
      • Graphics
      • Vectors
      • Templates
      • UI (User Interface)
      • Brushes
      • Patterns, Backgrounds
      • Textures
    • Web Development
      • HTML, CSS
      • XML
      • JavaScript, AJAX
      • Ruby on Rails
      • PHP
      • Java
      • .NET
      • Python
      • Perl
      • Flash
    • Mobile Application Development
      • Mobile Development Tools
      • Swift
    • Online Services
      • Online Storage
      • Web Hosting
  • Tools
    • Generators
Edit
In Place Editing Advanced Editing
  • References
  • C, C++
  • C++
  • Containers

std::queue::empty

bool empty() const;

Checks if the underlying container has no elements, i.e. whether c.empty().

Parameters

(none).

Return value

true if the underlying container is empty, false otherwise.

Complexity

Constant.

See also

size
returns the number of elements
(public member function)
Links:
  • http://en.cppreference.com/w/cpp/container/queue/empty
doc_CPP
doc_CPP
2025-01-10 15:47:30
Comments
Leave a Comment

Please login to continue.

Popular Articles
queue.Empty exception queue.Empty Exception raised when non-blocking get() (or get_nowait()) is called on a Queue object which is empty.
queue.Queue.empty() Queue.empty() Return True if the queue is empty, False otherwise. If empty() returns True it doesn’t guarantee that a subsequent call to put() wil
std::priority_queue::empty bool empty() const; Checks if the underlying container has no elements, i.e. whether c.empty(). Parameters (none). Return value true if
multiprocessing.Queue.empty() empty() Return True if the queue is empty, False otherwise. Because of multithreading/multiprocessing semantics, this is not reliable.
asyncio.Queue.empty() empty() Return True if the queue is empty, False otherwise.


Return to View
  • Facebook
  • Tweet
  • Digg it
  • Stumbleupon
  • Delicious
  • Plus Share

Designed by : w10schools

service@w10schools.com

Our Partners: aeeble – Providing content publishing and search solutions