in, out and inout for function arguments

[he_the_great]

BCS wrote:
> Derek Parnell wrote:
>> Once the function gets control, it can modify
>> the passed arguments as much as it likes, but only changes to 'in' and
>> 'inout' arguments get fed back to the calling code.
>>
> 
> IIRC that would be: only *out* and inout arguments get fed back to the 
> calling code.

Good, I'm not crazy.