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This page describes an experimental core language feature. For named type requirements used in the specification of the standard library, see

Initializes an aggregate from braced-init-list. Syntax

Allows a function to accept any number of arguments. Indicated by the parameter of the form ... which must appear last in the

Queries size of the object or type. Used when actual size of the object must be known. Syntax

An enumeration is a distinct type whose value is restricted to one of several explicitly named constants ("enumerators"). The values of the constants are values

constexpr - specifies that the value of a variable or function can appear in

Appear in any type specifier, including decl-specifier-seq of

Enables implicit conversion or

In a member-specification of a class/struct