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std::basic_...::push_back(3) C++ Standard Libary std::basic_...::push_back(3) NAME std::basic_string::push_back - std::basic_string::push_back Synopsis void push_back( CharT ch ); (until C++20) constexpr void push_back( CharT ch ); (since C++20) Appends the given character ch to the end of the string. Parameters ch - the character to append Return value (none) Complexity Amortized constant. Exceptions If an exception is thrown for any reason, this function has no ef- fect (strong exception guarantee). (since C++11) If the operation would result in size() > max_size(), throws std::length_error. Example // Run this code #include <cassert> #include <string> #include <iomanip> #include <iostream> int main() { std::string str{"Short string"}; std::cout << "before=" << std::quoted(str) << '\n'; assert(str.size() == 12); str.push_back('!'); std::cout << " after=" << quoted(str) << '\n'; assert(str.size() == 13); } Output: before="Short string" after="Short string!" See also pop_back removes the last character (C++11) (public member function) http://cppreference.com 2022.07.31 std::basic_...::push_back(3)
NAME | Synopsis | Parameters | Return value | Complexity | Exceptions | Example | Output: | See also
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