[#bsl-operator_us-0be]
= xref:bsl.adoc[bsl]::operator&quot;&quot;&lowbar;us
:relfileprefix: ../
:mrdocs:

Same as the preceding overload, for a `long double` argument&period;

== Synopsis

Declared in `&lt;bslstl&lowbar;chrono&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
bsl::chrono::duration&lt;long double, std::micro&gt;
operator&quot;&quot;&lowbar;us(long double us);
----


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