Re: What's the use of 'typeof','typeid','__traits','is' ?

[David T. Oxygen via Digitalmars-d-learn]

On Sunday, 24 August 2025 at 14:40:36 UTC, Steven Schveighoffer 
wrote:
```d
// solution 1: (preferred)
if(auto r = cast(MyInt)result){
    writeln(r);
}else if(auto r = cast(MyFloat)result){
    writeln(r);
}
// solution 2:
if(typeid(result) is typeid(MyInt)){
    writeln(cast(MyInt)result);
}else{
    writeln(cast(MyFloat)result);
}
```
--
Thank you. I've tried solution1. It can work well.