## bool-vector-not

**bool-vector-not**is a built-in function in `

`C source code`

'.(bool-vector-not

__A__&optional

__B__)

Compute ~

__A__, set complement.

If optional second argument

__B__is given, store result into

__B__.

__A__and

__B__must be bool vectors of the same length.

Return the destination vector.