[#bsl-unary_compose-operator_call-06]
= xref:bsl.adoc[bsl]::xref:bsl/unary_compose.adoc[unary&lowbar;compose]::operator()
:relfileprefix: ../../
:mrdocs:

Function call operators

== Synopses

Declared in `&lt;bslstp&lowbar;exfunctional&period;h&gt;`

Same as the preceding overload&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/unary_compose/result_type.adoc[result&lowbar;type]
xref:bsl/unary_compose/operator_call-07.adoc[operator()](xref:bsl/unary_compose/argument_type.adoc[argument&lowbar;type]& x) const;
----

[.small]#xref:bsl/unary_compose/operator_call-07.adoc[_» more&period;&period;&period;_]#

Invoke `d&lowbar;fn1(d&lowbar;fn2(x))` and return the result&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/unary_compose/result_type.adoc[result&lowbar;type]
xref:bsl/unary_compose/operator_call-09.adoc[operator()](xref:bsl/unary_compose/argument_type.adoc[argument&lowbar;type] const& x) const;
----

[.small]#xref:bsl/unary_compose/operator_call-09.adoc[_» more&period;&period;&period;_]#


[.small]#Created with https://www.mrdocs.com[MrDocs]#
