Initializer List C Stack Overflow
You can create one with a braced init list.
Initializer list c stack overflow. C 11 introduced something called a std initializer list 10. Learn more constructor from initializer list. Such a constructor is known as the delegating constructor and the constructor selected by the only member of the initializer list is the target constructor. Make sure you don t confuse an initializer list with list initialization or braced init lists.
If the name of the class itself appears as class or identifier in the member initializer list then the list must consist of that one member initializer only. It has its own type which is obviously std initializer list t. A braced init list is used to list initialize an object where the corresponding constructor accepts an std initializer list parameter. Is there in c a possibility to create a variable length initializer list.
Stack overflow for teams is a private secure spot for you and your coworkers to find and share information. Initializer list objects are automatically constructed as if an array of elements of type t was allocated with each of the elements in the list being copy initialized to its corresponding element in the array using any. Teaching yourself to code in prison. In this case the target constructor is selected by.
Also because braced init list has no type special rules for overload resolution apply when it is used as an argument to an overloaded function call. Browse other questions tagged c templates c 11 initializer list or ask your own question. A std initializer list object is automatically constructed when. An object of type std initializer list t is a lightweight proxy object that provides access to an array of objects of type const t.
A special exception is made for type deduction using the keyword auto which deduces any braced init list as std initializer list in copy list initialization. Std list string mylist somemagic listsize default. The overflow blog podcast 264. Notice though that this template class is not implicitly defined and the header initializer list shall be included to access it even if the type is used implicitly.
Oh by the way a braced init list used in list initialization that has no type. Featured on meta. A braced init list is used as the right operand of. Learn more initializer list inside std pair.