- C++ Library - Home
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C++ Library - <stacktrace>
The <stacktrace> header in C++20, introduces a way to work with the stack traces. It provides a snapshot of the function call history at a particular point in the program execution, which is helpful for debugging and error handling.
Before C++20, obtaining stack traces requires a platform-specific libraries or third-party tools making it a messed task. However, with the introduction of <stacktrace> it regulates the process, enabling the cross-platform compatibility and reducing the dependence on the external libraries.
Including <stacktrace> Header
To include the <stacktrace> header in your C++ program, you can use the following syntax.
#include <stacktrace>
Functions of <stacktrace> Header
Below is list of all functions from <stacktrace> header.
| Sr.No | Functions & Description |
|---|---|
| 1 |
operator=
It assigns to the basic_stacktrace. |
| 2 |
current
It obtains the current stacktrace or its given part. |
| 3 |
get_allocator
It returns the associated allocator. |
| 4 |
begin
It returns an iterator to the beginning. |
| 5 |
cbegin
It returns an constant iterator to the beginning. |
| 6 |
end
It returns an iterator to the end. |
| 7 |
cend
It returns an constant iterator to the end. |
| 8 |
rbegin
It returns a reverse iterator to the beginning. |
| 9 |
crbegin
It returns a constant reverse iterator to the beginning. |
| 10 |
rend
It returns a reverse iterator to the end. |
| 11 |
crend
It returns a constant reverse iterator to the end. |
| 12 |
empty
It checks whether the stacktrace is empty. |
| 13 |
size
It returns the number of stacktrace entries. |
| 14 |
max_size
It returns the maximum possible number of stacktrace entries. |
| 15 |
operator[]
It access specified stacktrace entry. |
| 16 |
at
It access specified stacktrace entry with bounds checking. |
| 17 |
swap
It swaps the contents. |
Non-member functions
| Sr.No | Functions & Description |
|---|---|
| 1 |
operator==
It compares the sizes and the contents of two basic_stacktrace values. |
| 2 |
to_string
It returns a string with a description of the stacktrace. |
| 3 |
operator<<
It performs stream output of stracktrace. |