# <<= operator

Source: https://ref.dm-lang.org/operator/lesslessequals

### Format
> `A <<= B`

Set A equal to A \<\< B. It is shorthand for A = A \<\< B.

### See also
- [\>\>= operator](https://ref.dm-lang.org/operator/greatergreaterequals.md)
- [\<\< shift operator](https://ref.dm-lang.org/operator/lessless/shift.md)
- [operators](https://ref.dm-lang.org/operator/index.md)