[#beman-optional-bad_optional_access-operator_assign-0d]
= xref:beman.adoc[beman]::xref:beman/optional.adoc[optional]::xref:beman/optional/bad_optional_access.adoc[bad_optional_access]::operator=
:relfileprefix: ../../../
:mrdocs:

Assignment operator

== Synopsis

Declared in `<bits/exception.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
exception&
operator=(exception const& value) = default;
----

== Return Value

Base class for all library exceptions.

== Parameters

[cols="1,4"]
|===
|Name|Description

| *value*
| The object to copy assign from
|===


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