May 12, 2024 · Return value. input [] NoteWhen consuming whitespace-delimited input (e.g. int n; std:: cin >> n;) any whitespace that follows, including a newline character, will be left on the input stream.Then when switching to line-oriented input, the first line retrieved with getline will be just that whitespace. In the likely case that this is unwanted behaviour, possible solutions include:

Mar 30, 2025 · Planned Maintenance The site will be in a temporary read-only mode in the next few weeks to facilitate some long-overdue software updates. We apologize for any inconvenience this may cause!

Dec 16, 2017 · Comprehensive reference for C++ language, including syntax, libraries, and compiler support.

Feb 22, 2025 · Examples of erasure methods are std::set::erase, std::vector::pop_back, std::deque::pop_front, and std::map::clear.. clear invalidates all iterators and references. Because it erases all elements, this technically complies with the rules above. Unless otherwise specified (either explicitly or by defining a function in terms of other functions), passing a container as an …

Mar 27, 2025 · This section is incomplete Reason: Check that all significant features are mentioned (using the Compiler Support tables below). Add more links and maybe regroup some lines.

Nov 25, 2024 · Except otherwise noted, the contents of each header cxxx is the same as that of the corresponding header xxx.h as specified in the C standard library.In the C++ standard library, however, the declarations (except for names which are defined as macros in C) are within namespace scope of the namespace std.It is unspecified whether these names (including any …

Jan 15, 2025 · A thread of execution is a flow of control within a program that begins with the invocation of a specific top-level function (by std::thread, std::async, std::jthread (since C++20) or other means), and recursively including every function invocation subsequently executed by the thread.. When one thread creates another, the initial call to the top-level function of the new …

Dec 9, 2024 · A std::generator generates a sequence of elements by repeatedly resuming the coroutine from which it was returned. Each time a co_yield statement is evaluated, the coroutine produces one element of the sequence. When the co_yield statement is of the form co_yield ranges:: elements_of (rng), each element of the range rng is successively produced as an …

Mar 27, 2025 · A lightweight GUI library for C++ with minimal dependencies, portable, render-agnostic, optimized for use in 3D-pipeline-enabled apps. MIT vcpkg FLTK: A cross-platform C++ GUI toolkit (Linux, Windows, MacOS) that provides modern GUI functionality, and supports 3D graphics via OpenGL/GLUT. Designed to be small and modular. Includes an UI builder.

Mar 29, 2025 · Provides information on std::ranges::transform_view in C++, including usage and examples.