The storage class specifiers are a part of the decl-specifier-seq of a name's declaration syntax. Together with the scope of the name, they control two independent properties of the name: its storage duration and its linkage.| en.cppreference.com
C++| en.cppreference.com
Initializes an aggregate from an initializer list. It is a form of list-initialization(since C++11).| en.cppreference.com
This is an unofficial snapshot of the ISO/IEC JTC1 SC22 WG21| cplusplus.github.io