what is the different bettwen typeid and .classinfo?
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Mon Mar 30 17:06:09 UTC 2020
On Monday, 30 March 2020 at 15:15:08 UTC, Steven Schveighoffer
> On 3/30/20 10:38 AM, lilijreey wrote:
>> I write code like this
>> class Base
>> int base;
>> class CC :Base
>> int cc;
>> auto cc = new CC;
>> //I want check cc object type is CC
>> if (typeid(cc) == typeid(CC)) // ok ==
>> if (cc.classinfo == AstAssignNode) //error
>> if (cc.classinfo == AstAssignNode.classinfo) // ok ==
> They are both the same. Historically they were different
> (ClassInfo was its own type different from TypeInfo_Class). I
> would recommend typeid for future-proof code (it's possible,
> however unlikely, that .classinfo at some point goes away).
Will it be the same if using "is", the reason is for function
that use "nothrow" attribute?
if (cc.classinfo is typeid(CC))
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