Here the value of c is implicitly converted to int type without using any explicit operator. Is this considered casting ? or its considered casting just when I have to performe an explicit conversion like in :
It is unnecessary when casting upwards (towards a base class), but when casting downwards it can be used as long as it doesn't cast through virtual inheritance. It does not do checking, however, and it is undefined behavior to static_cast down a hierarchy to a type that isn't actually the type of the object.
From the documentation (emphasis mine): Cast a value to a type. This returns the value unchanged. To the type checker this signals that the return value has the designated type, but at runtime we intentionally don’t check anything (we want this to be as fast as possible). The "casting" only takes place in the type-checking system, not at runtime.
Type casting and type conversion are different in C++. There are five types of casts in C++, which all have different behavior: static_cast, dynamic_cast, reinterpret_cast, const_cast, and c-style casts ((int)someVariable). Some C++ casts perform type conversion (hence why this concept is confusing), calling code and potentially doing runtime ...
What is the difference between type casting and type conversion in C++ ...
Custom implicit/explicit casting: Usually a new object is created. Value Type Implicit: Copy without losing information. Value Type Explicit: Copy and information might be lost. IS-A relationship: Change reference type, otherwise throws exception. Same type: 'Casting is redundant'. It feels like the object is going to be converted into ...
Type Casting: Conversion of one data type to another data type. and it can be done in two ways. Implicit Type Casting, Explicit Type Casting Implicit type casting is performed by the compiler on its own when it encounters a mixed data type expression in the program. it is also known as automatic conversion as it is done by the compiler without the programmer’s assistance. implicit casting ...