[#BloombergLP-bdldfp-operator_lshift-0e]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdldfp.adoc[bdldfp]::operator&lt;&lt;
:relfileprefix: ../../
:mrdocs:

Return the bitwise left shift of the specified `lhs` by `rhs` bits&period;

== Synopsis

Declared in `&lt;bdldfp&lowbar;uint128&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bdldfp/Uint128.adoc[bdldfp::Uint128]
operator&lt;&lt;(
    xref:BloombergLP/bdldfp/Uint128.adoc[Uint128] lhs,
    int rhs);
----

== Description

Return an `Uint128` value equal to the value of a bitwise left shift of the specified `lhs` 128&hyphen;bit integer shifted by the specified `rhs` value&period; The behavior is undefined unless `0 &lt;&equals; rhs &lt; 128`&period;

== Return Value

the bitwise left shift of `lhs` by `rhs` bits

== Parameters

[cols="1,4"]
|===
| Name| Description
| *lhs*
| value to shift
| *rhs*
| number of bits to shift
|===


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