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.
rhs
0 <= rhs < 128
Declared in <bdldfp_uint128.h>
<bdldfp_uint128.h>
Uint128& operator<<=(int rhs);