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std::basic_stacktrace::empty(3) | C++ Standard Libary | std::basic_stacktrace::empty(3) |
NAME¶
std::basic_stacktrace::empty - std::basic_stacktrace::empty
Synopsis¶
[[nodiscard]] bool empty() const noexcept; (since C++23)
Checks if the stacktrace has no stacktrace entries.
Parameters¶
(none)
Return value¶
true if the stacktrace is empty, false otherwise.
Complexity¶
Constant.
Example¶
// Run this code
#include <stacktrace>
#include <iostream>
int main()
{
std::cout << std::boolalpha;
std::stacktrace bktr;
std::cout << "Initially, bktr.empty(): " <<
bktr.empty() << '\n';
bktr = std::stacktrace::current();
std::cout << "After getting entries, bktr.empty(): " <<
bktr.empty() << '\n';
}
Possible output:¶
Initially, bktr.empty(): true
After getting entries, bktr.empty(): false
See also¶
size returns the number of stacktrace entries
(public member function)
2024.06.10 | http://cppreference.com |