Function calls without inputs 
| ID | STAT-3 | 
| Title | Add empty parentheses to function calls without input arguments. | 
| Priority | Recommended | 
| Severity level | 9 | 
| 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;