[英]How to initialize array elements by using initializer list?
Im trying something like this (which doesnt compile): 我正在尝试像这样的东西(不会编译):
struct mystruct {
somestruct arr[4];
mystruct(somestruct val) : arr[0](val), arr[1](val), arr[2](val), arr[3](val) {}
};
How is this best done in c++ ? 如何在c ++中做到最好?
Note: i might want to set only some of the array elements with this method. 注意:我可能只想使用此方法设置一些数组元素。
In C++11, if you want to set all the elements: 在C ++ 11中,如果要设置所有元素:
mystruct(somestruct val) : arr{val,val,val,val} {}
In C++03, or C++11 if you only want to set some elements: 在C ++ 03或C ++ 11中,如果您只想设置一些元素:
mystruct(somestruct val) {
arr[0] = val;
arr[1] = val;
arr[2] = val;
arr[3] = val;
}
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