[fpc-devel] Performance of string handling in trunk
DrDiettrich1 at aol.com
Thu Jun 27 12:54:34 CEST 2013
Michael Schnell schrieb:
>> 2) Nothing is copied on an assignment to a string variable, except the
>> reference to the memory object.
> Sorry, I erroneously thought about the variable itself being ref
> counted, while in fact the variable is a pointer to the (hidden) String
> management record,
Fine that you finally start familiarizing with reference counted objects
> which is the ref counted entity and holds the content
> pointer to the String array.
Now you also should understand that a string variable points directly to
the string content, it's usable as PChar(str) without any conversion.
The other information about the string resides *before* that address.
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