std::set_unexpected
From cppreference.com
C++
Feature test macros (C++20)
Concepts library (C++20)
Metaprogramming library (C++11)
Ranges library (C++20)
Filesystem library (C++17)
Concurrency support library (C++11)
Execution control library (C++26)
Diagnostics library
(until C++20*)
(C++17)(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
Exception handling failures
(C++11)
(until C++17*)
(until C++17*)
(until C++17*)
set_unexpected
(until C++17*)
(TM TS)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++23)
(C++23)
(C++26)
(C++26)
(C++26)
Defined in header
<exception>
std::unexpected_handler set_unexpected( std::unexpected_handler f ) throw();
(until C++11)
std::unexpected_handler set_unexpected( std::unexpected_handler f ) noexcept;
(deprecated in C++11) (removed in C++17)
Makes f the new global std::unexpected_handler and returns the previously installed std::unexpected_handler .
This function is thread-safe. Every call to std::set_unexpected
synchronizes-with (see std::memory_order ) the subsequent calls to std::set_unexpected
and std::get_unexpected
[edit] Parameters
f
-
pointer to function of type std::unexpected_handler , or null pointer
[edit] Return value
The previously-installed unexpected handler, or a null pointer value if none was installed.
[edit] See also
(deprecated in C++11)(removed in C++17)
(function) [edit]
(deprecated in C++11)(removed in C++17)
(typedef) [edit]