[cfe-dev] [RFC] automatic variable initialization

[Kostya Serebryany via cfe-dev]

On Wed, Jan 16, 2019 at 7:58 PM Richard Smith <richard at metafoo.co.uk> wrote:

> On Wed, 16 Jan 2019, 19:35 Kostya Serebryany via cfe-dev <
> cfe-dev at lists.llvm.org wrote:
>
>>
>>>
>>> Should main be involved, though?
>>>
>>
>> How else?
>>
>
> By putting the initialisation where it belongs, in the constructor.
>

As already discussed below, initializing in CTORs will also initialize heap
memory,
i.e. will have different performance characteristics.
Still a good idea.


>
> main() creates a local variable on stack and passes it's address to a
>> CTOR, that (in general case) is unknown at the point where we insert
>> initialization.
>>
>>
>>
>>> It's normally the job of the constructor to initialize the class
>>> members, and that's where the information about whether the members are
>>> uninitialised lives.
>>>
>>>>
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>
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