return type
func (
  par1type par1,
  par2type par2,
)
  {
    // line of code
    if (condition) 
      {
        // line of code
      }
    else
      {
        while (((condition1 
               && condition2)
               || condition3))
          {
             // do something;
          }
      }
    return (something);  
  }