| Type | Assocation | Precedence | Input types | Output types |
| unary | none | 7 | bool | bool |
This operator works only with bool operands. The result is the inversion of the operand. So ! false is equal to true. This operator is often convenient with conditionals and loops. Examples:
!true ; false !(3 == 2) ; true !(2 < 5) ; false