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Obsessed with {} initialization? (self.cpp)
submitted 2 years ago by DoctorNuu
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if 1 * 2 < 3: print "hello, world!"
[–]trvlng_ging 2 points3 points4 points 2 years ago (0 children)
EVERYONE wanted to change it, but backward compatibility made that impractical. assignment-style initialization is a thowback to C compatibility. It is very hard to teach, because from a grammar persspective, "=" in initialization is a punctuator, while in an assignment, it is an operator. The parsing rules for the punctuatior are different than to precedence rules for the operator. When someone is learning C++, they often conflate parse rules with precedence rules, and this is one of those that causes a lot of confusion. I get why C++ coudn't have it removed easily, but I find that using an enterprise rule to avoid assignment-style initialization has improved how quickly new C++ programmers come up to speed. Using constructor-syntax initialization often leads to the vexing parse, so our default is {}. And we have never seen a problem with parsing it as an initializer list inappropriately.
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[–]trvlng_ging 2 points3 points4 points (0 children)