std::basic_stacktrace<Allocator>::empty
From cppreference.com
< cpp | utility | basic stacktrace
bool empty()constnoexcept; | (since C++23) | |
Checks if the stacktrace has no stacktrace entries.
Contents |
[edit]Parameters
(none)
[edit]Return value
true if the stacktrace is empty, false otherwise.
[edit]Complexity
Constant.
[edit]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
[edit]See also
returns the number of stacktrace entries (public member function) |