[#BloombergLP-bdlt-DayOfWeekSet-operator_minus_eq]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/DayOfWeekSet.adoc[DayOfWeekSet]::operator‐=
:relfileprefix: ../../../
:mrdocs:

Assign to this set the subtraction of the specified `rhs` set from this set (i.e., a set containing elements that are in this set, but not in the `rhs` set), and return a reference providing modifiable access to this set.

== Synopsis

Declared in `<bdlt_dayofweekset.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bdlt/DayOfWeekSet.adoc[DayOfWeekSet]&
operator‐=(xref:BloombergLP/bdlt/DayOfWeekSet.adoc[DayOfWeekSet] const& rhs);
----


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