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The latest version of this topic can be found at is_rvalue_reference Class.
Tests if type is an rvalue reference.
Syntax
template <class Ty>
struct is_rvalue_reference;
Parameters
Ty
The type to query.
Remarks
An instance of this type predicate holds true if the type Ty is an Rvalue Reference Declarator: && reference.
Requirements
Header: <type_traits>
Namespace: std