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Difference between revisions of "cpp/memory/allocator/address"

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< cpp‎ | memory‎ | allocator
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pointer address( reference x ) const;
 
pointer address( reference x ) const;
 
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pointer address( reference x ) const noexcept;
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const_pointer address( const_reference x ) const;
 
const_pointer address( const_reference x ) const;
 
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const_pointer address( const_reference x ) const noexcept;
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Returns the actual address of {{tt|x}} even in presence of overloaded {{c|operator&}}.
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Returns the actual address of {{c|x}} even in presence of overloaded {{c/core|operator&}}.
  
 
===Parameters===
 
===Parameters===
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{{par begin}}
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{{param list item | x | the object to acquire address of}}
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{{par|x|the object to acquire address of}}
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{{par end}}
  
 
===Return value===
 
===Return value===
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The actual address of {{tt|x}}.
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The actual address of {{c|x}}.
  
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===Exceptions===
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===Defect reports===
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{{dr list item|wg=lwg|dr=634|paper=N2436|std=C++98|before=the return value is {{c|&x}}<br>(which is affected by overloaded {{c/core|operator&}})|after=returns the actual address of {{c|x}}}}
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Latest revision as of 08:28, 22 November 2023

 
C++
 
Dynamic memory management
Uninitialized memory algorithms
Constrained uninitialized memory algorithms
Allocators
Garbage collection support
(C++11)(until C++23)
(C++11)(until C++23)
(C++11)(until C++23)
(C++11)(until C++23)
(C++11)(until C++23)
(C++11)(until C++23)



 
std::allocator
Member functions
allocator::address
(until C++20)
(C++23)
(until C++20)
(until C++20)
(until C++20)
Non-member functions
(until C++20)
 
(1)
pointer address( reference x ) const;
 (until C++11)
pointer address( reference x ) const noexcept;
 (since C++11)
(deprecated in C++17)
(removed in C++20)
(2)
const_pointer address( const_reference x ) const;
 (until C++11)
const_pointer address( const_reference x ) const noexcept;
 (since C++11)
(deprecated in C++17)
(removed in C++20)

Returns the actual address of x even in presence of overloaded operator&.

[edit] Parameters

x - the object to acquire address of

[edit] Return value

The actual address of x.

[edit] Defect reports

The following behavior-changing defect reports were applied retroactively to previously published C++ standards.

DR Applied to Behavior as published Correct behavior
LWG 634
(N2436) 		C++98 the return value is &x
(which is affected by overloaded operator&) 		returns the actual address of x
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