Function calls without inputs 
| ID | STAT-3 |
| Title | Add empty parentheses to function calls without input arguments. |
| Priority | Strongly recommended |
| Severity level | 10 |
| Description | Add empty parentheses to function calls without input arguments. |
| Rationale | This helps to emphasize the fact that they are function calls and not variables or properties. |
Avoid:
x = rand * 2;
Instead use:
x = rand() * 2;