10.2 Function declaration

A function declaration deﬁnes an identiﬁer and associates it with a block of code. The block of code will return a result. The function can then be called inside an expression, or with a procedure statement, if extended syntax is on.

_________________________________________________________________________________________________________ Function declaration
--function declaration- function header-; subroutine block-;--------------

--function header- function -|-------identiﬁer---------
- qualiﬁed method identiﬁer
----formal parameter list : result type-|-------------------------------
-modiﬁers--

--subroutine block-|-----block--------------------------------------
|-external directive-|
|---asm block----|
----forward------
___________________________________________________________________

The result type of a function can be any previously declared type. contrary to Turbo pascal, where only simple types could be returned.

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