WebThis shows that the author is using modern C++ (e.g. >= C++11) and applies good practice: Braced initialization is the most widely usable initialization syntax, it prevents narrowing conversions and it's immune to C++'s most vexing parse.-- Scott Meyers, in Effective Modern C++, Item 7 You have to be aware that there might however be a subtlety if a … WebFeb 3, 2024 · One downside of assignment is that it requires at least two statements: one to define the variable, and one to assign the value. These two steps can be combined. When a variable is defined, you can also provide an initial value for the variable at the same time. This is called initialization. The value used to initialize a variable is called an ...
syntax - Double curly braces in C++ constructor - Stack …
WebSep 8, 2016 · Reading through Stroustrup's C++11 book, I was under the impression that {} was the same as in most all cases, except where there was an ambiguity between … WebThe curly braces is what is called 'uniform initialization'. The term is not part of C++ standard, but it is widely understood and is easily researchable. In particular, in the … puma watches south africa
c++ - What can I infer from someones code when they use direct ...
WebMar 13, 2024 · Those can be brace-initialized but don't have a non-default constructor. Example: #include struct point { int x, z; }; int main () { std::make_unique (1, 2); } Compiling this will have the compiler complain about lack of a 2-argument constructor, and rightly so. WebAug 7, 2016 · Causes the constructor accepting an std::initializer_list to be picked (initializer lists are another new feature of C++11, tightly related to brace initialization), … WebMay 13, 2012 · In C++ curly braces {} are not operators unlike the [] (Array subscripting operator) or () (Function call operator), so they can't be overloaded. Share Follow answered May 10, 2012 at 6:06 codaddict 442k 81 490 528 Additionally, overloadable operators are enumerated in [over.oper]. Since {} does not appear in the list, it cannot be overloaded. puma waterproof golf jacket