平板怎么做网页seo 公司
struct A
{this(int[] data) @safe { a = data; }int[] a;
}void main() @safe
{int[3] test = [1, 2, 3];A a = A(test);
}
应该给data参数加上return scope.或让构造器为模板参数来推导,否则,构造器可以把栈分配切片赋值给全局变量.
struct A
{this(int[] data) @safe { a = data; }int[] a;
}void main() @safe
{int[3] test = [1, 2, 3];A a = A(test);
}
应该给data参数加上return scope.或让构造器为模板参数来推导,否则,构造器可以把栈分配切片赋值给全局变量.