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Showing content from https://en.cppreference.com/w/cpp/language/../error/error_code/../exception/get_unexpected.html below:

std::get_unexpected - cppreference.com

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(until C++20*) (C++17)

exception_ptr

(C++11)

make_exception_ptr

(C++11)

current_exception

(C++11)

rethrow_exception

(C++11)

nested_exception

(C++11)

throw_with_nested

(C++11)

rethrow_if_nested

(C++11)

Exception handling failures terminate terminate_handler get_terminate

(C++11)

set_terminate bad_exception unexpected

(until C++17*)

unexpected_handler

(until C++17*)

get_unexpected

(until C++17*)

set_unexpected

(until C++17*)

Error numbers Error codes errno Assertions assert Exception categories logic_error invalid_argument domain_error length_error out_of_range runtime_error range_error overflow_error underflow_error tx_exception

(TM TS)

System error error_category

(C++11)

generic_category

(C++11)

system_category

(C++11)

error_condition

(C++11)

(C++11)

(C++11)

(C++11)

Stacktrace stacktrace_entry

(C++23)

basic_stacktrace

(C++23)

Debugging support is_debugger_present

(C++26)

breakpoint_if_debugging

(C++26)

(C++26)

[edit]

Defined in header

<exception> std::unexpected_handler get_unexpected() noexcept; (deprecated in C++11)
(removed in C++17)

Returns the currently installed std::unexpected_handler, which may be a null pointer.

This function is thread-safe. Prior call to std::set_unexpected synchronizes-with (see std::memory_order) the subsequent calls to this function.

(since C++11) [edit] Parameters

(none)

[edit] Return value

The currently installed std::unexpected_handler.

[edit] See also unexpected_handler

(deprecated in C++11)(removed in C++17)

the type of the function called by std::unexpected
(typedef) [edit] set_unexpected

(deprecated in C++11)(removed in C++17)

changes the function to be called by std::unexpected
(function) [edit]

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