Right, when construction is fallible you need a factory.
Constructors are called in surprising places when running a C++ program. For example, think of a copy constructor failing somewhere far away from the code you are writing. If C++ allowed construction to fail, the control flow of propagating these errors would be tedious and invasive.
Hence exceptions as the only way to fail in a construction.
Constructors are called in surprising places when running a C++ program. For example, think of a copy constructor failing somewhere far away from the code you are writing. If C++ allowed construction to fail, the control flow of propagating these errors would be tedious and invasive.
Hence exceptions as the only way to fail in a construction.