std::basic_stacktrace::size - cppreference.com (original) (raw)

| size_type size() const noexcept; | | (since C++23) | | --------------------------------- | | ------------- |

Returns the number of entries in the stacktrace.

[edit] Parameters

(none)

[edit] Return value

The number of entries in the stacktrace.

[edit] Complexity

Constant.

[edit] Example

The following code uses size to display the number of entries in the current stacktrace:

#include #include   int main() { auto trace = std::stacktrace::current();   std::cout << "trace contains " << trace.size() << " entries.\n"; }

Possible output:

trace contains 3 entries.

[edit] See also

| | checks whether the basic_stacktrace is empty (public member function) [edit] | | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | | | returns the maximum possible number of stacktrace entries (public member function) [edit] |