[fpc-devel] Are global variables guaranteed to be zero?

[Mark Morgan Lloyd]

michael.vancanneyt at wisa.be wrote:

>>> You must initialize local variables.
>>
>> Are there cases where locals are set to a sane initial state, e.g. for 
>> strings and dynamic arrays? What about (references to) objects?
> 
> Managed types are normally initialized. That means Ansistrings,
> UnicodeString, and COM interfaces and dynamic arrays (maybe I forget some)
> 
> Classes and objects are not.

By which I presume that (references to) objects are not set to nil, in 
the same way that an integer or pointer wouldn't be set to zero or nil.

-- 
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

[Opinions above are the author's, not those of his employers or colleagues]