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Casting vs using the ‘as’ keyword in the clr i recently learned about a different way to cast Proper way of casting pointer types asked 12 years, 7 months ago modified 1 year ago viewed 128k times Rather than using someclass someobject = (someclass) obj
One can use this sy. 'casting' with reflection asked 16 years, 1 month ago modified 4 years, 6 months ago viewed 65k times Direct casting types don't have to be strictly related
It comes in all types of flavors
Usually a new object is created Copy and information might be lost Change reference type, otherwise throws exception. Static cast is also used to cast pointers to related types, for example casting void* to the appropriate type
6 do you understand the concept of casting Casting is the process of type conversion, which is in java very common because its a statically typed language Casting has sense only for a variable (= chunk of memory whose content can change) there are no variables whose content can change, in python There are only objects, that aren't contained in something
They have per se existence
Then, the type of an object can't change, afaik Then, casting has no sense in python That's my believing and opinion Correct me if i am wrong, please
Is there a possibility that casting a double created via math.round() will still result in a truncated down number no, round() will always round your double to the correct value, and then, it will be cast to an long which will truncate any decimal places But after rounding, there will not be any fractional parts remaining Here are the docs from math.round(double) Returns the closest long to.
Casting to object is unsafe
Why do you want to do so Not sure if it's relevant, you can use instanceof to check the class of the object.
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