[#BloombergLP-bdldfp-Uint128-operator_lshift_eq]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdldfp.adoc[bdldfp]::xref:BloombergLP/bdldfp/Uint128.adoc[Uint128]::operator<<=
:relfileprefix: ../../../
:mrdocs:

Bitwise left‐shift‐assign this object by the specified `rhs`.

== Synopsis

Declared in `<bdldfp_uint128.h>`

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

== Description

Set the value of this object to the value of a bitwise left shift of this 128 bit integer shifted by the specified `rhs` value, and return a reference providing mofifiable access to this object. The behavior is undefined unless `0 <= rhs < 128`.

== Return Value

a reference providing modifiable access to this object

== Parameters

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


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