[#BloombergLP-bdlb-operator_le-06f]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::operator&lt;&equals;
:relfileprefix: ../../
:mrdocs:

Return `true` if the specified `lhs` is ordered before the specified `rhs` nullable object or `lhs` and `rhs` have the same value, and `false` otherwise&period; (See `operator&lt;` and `operator&equals;&equals;`&period;)

== Synopsis

Declared in `&lt;bdlb&lowbar;nullablevalue&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;
    class LHS&lowbar;TYPE,
    class RHS&lowbar;TYPE&gt;
bool
operator&lt;&equals;(
    LHS&lowbar;TYPE const& lhs,
    xref:BloombergLP/bdlb/NullableValue.adoc[NullableValue&lt;RHS&lowbar;TYPE&gt;] const& rhs)
requires (!NullableValue&lowbar;DerivedFromOptional&lt;LHS&lowbar;TYPE&gt;) &amp;&amp;
    requires &lcub; &lcub; lhs &lt;&equals; &ast;rhs &rcub; &hyphen;&gt; NullableValue&lowbar;ConvertibleToBool&semi; &rcub;;
----


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