Execution of the function (immediately for the initialization function of function, will be executing the release ):
Only the expression, in order to be executed, as a function statement can not be executed:
The following declarative can be performed:
Can execute an expression of symbolic execution, the name will be ignored, as the expression execution is equivalent to an immediate execution of the function, after the execution was released:
"!" Before a function declaration or together with the addition and subtraction number will become the expression:
