<div class="t-tr-text">Betreiber<div class="t-tr-dropdown"><div><div><div class="t-tr-dropdown-arrow-border"></div><div class="t-tr-dropdown-arrow"></div><div class="t-tr-dropdown-h">Original:</div><div class="t-tr-dropdown-orig">operator</div><div class="t-tr-dropdown-notes">The text has been machine-translated via [http://translate.google.com Google Translate].<br/> You can help to correct and verify the translation. Click [http://en.cppreference.com/w/Cppreference:MachineTranslations here] for instructions.</div></div></div></div></div> delete<div class="t-tr-text">, Betreiber<div class="t-tr-dropdown"><div><div><div class="t-tr-dropdown-arrow-border"></div><div class="t-tr-dropdown-arrow"></div><div class="t-tr-dropdown-h">Original:</div><div class="t-tr-dropdown-orig">, operator</div><div class="t-tr-dropdown-notes">The text has been machine-translated via [http://translate.google.com Google Translate].<br/> You can help to correct and verify the translation. Click [http://en.cppreference.com/w/Cppreference:MachineTranslations here] for instructions.</div></div></div></div></div> delete[]
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<metanoindex/>
<tbody> </tbody>| definiert in Header <new>
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void operator delete ( void* ptr ); |
(1) | |
void operator delete[]( void* ptr ); |
(2) | |
void operator delete ( void* ptr, const std::nothrow_t& ); |
(3) | |
void operator delete[]( void* ptr, const std::nothrow_t& ); |
(4) | |
void operator delete ( void* ptr, void*); |
(5) | |
void operator delete[]( void* ptr, void* ); |
(6) | |
Freigibt Lagerung. Diese Aufteilung Funktionen werden durch delete-Ausdrücke rief Speicher nach zerstörenden dynamische Objekte freizugeben .
Original:
Deallocates storage. These allocation functions are called by delete-Ausdrücke to deallocate memory after destructing dynamic objects.
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1)
Freigibt Lagerung, durch einen Aufruf
operator new(size_t) oder operator new(size_t, std::nothrow_t) erhaltenOriginal:
Deallocates storage, obtained by a call to
operator new(size_t) or operator new(size_t, std::nothrow_t)The text has been machine-translated via Google Translate.
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2)
Freigibt Lagerung, durch einen Aufruf
operator new[](size_t) oder operator new[](size_t, std::nothrow_t) erhaltenOriginal:
Deallocates storage, obtained by a call to
operator new[](size_t) or operator new[](size_t, std::nothrow_t)The text has been machine-translated via Google Translate.
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3-4)
Gleich wie 1-2), es sei denn ersetzt. Diese Versionen werden von Nicht-Werfen neuen Ausdrücken aufgerufen, wenn ein Konstruktor nennen sie löst eine Ausnahme .
Original:
Same as 1-2) unless replaced. These versions are called by non-throwing new-expressions if a constructor they call throws an exception.
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5-6)
Nichts zu tun. Diese Versionen werden durch die Platzierung neuer Ausdrücke aufgerufen, wenn ein Konstruktor nennen sie löst eine Ausnahme .
Original:
Do nothing. These versions are called by placement new expressions if a constructor they call throws an exception.
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In allen Fällen, wenn
ptr ein NULL-Zeiger ist, funktioniert die freigabe Funktion nichts .Original:
In all cases, if
ptr is a null pointer, the deallocation function does nothing.The text has been machine-translated via Google Translate.
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Austauschen und Überlastung
Die Versionen 1-4) sind implizit in jeder Übersetzungseinheit deklariert, auch wenn die
<new> Header ist nicht inbegriffen. Diese Funktionen sind austauschbare: eine vom Benutzer bereitgestellte Nichtmitglied Funktion mit der gleichen Signatur ersetzt die implizite Version. Höchstens ein Ersatz kann jede der vier impliziten Deallocation Funktionen versehen werden. Außerdem können Programm zu definieren Klassen-Member-Versionen dieser Funktionen definieren oder Zuweisung Funktionen mit unterschiedlichen Signaturen (außer 5-6) sind nicht austauschbar) .Original:
The versions 1-4) are implicitly declared in each translation unit even if the
<new> header is not included. These functions are replaceable: a user-provided non-member function with the same signature replaces the implicit version. At most one replacement may be provided for each of the four implicit deallocation functions. Also, program can define class member versions of these functions or define allocation functions with different signatures (except 5-6) are not replaceable).The text has been machine-translated via Google Translate.
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Die deallocation Funktion ersetzt / überlastet in zweierlei Hinsicht:
Original:
The deallocation function can be replaced/overloaded in two ways:
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- 'Im globalen Bereich': Um es nennen, die Signatur der überladenen Zuordnungsfunktionen muss sichtbar sein am Ort der freigabe, außer implizit deklarierte Standardwert deallocation Funktionen. Diese Zuordnung Funktion wird für alle Freigaben mit entsprechenden Parametern im aktuellen Programm verwendet werdenOriginal:in the global scope: in order to call it, the signature of the overloaded allocation functions must be visible at the place of deallocation, except for implicitly declared default deallocation functions. This allocation function will be used for all deallocations with corresponding parameters in the current programThe text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions. - 'Im lokalen Bereich': die überladene
operator deletemüssen statische öffentliche Member-Funktion der Klasse sein. Diese deallocation Funktion wird nur für das Aufheben dieser bestimmten Klasse verwendet werden .Original:in the local scope: the overloadedoperator deletemust be static public member function of the class. This deallocation function will be used only for deallocations of that particular class.The text has been machine-translated via Google Translate.
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Während der Kompilierung, sieht jeder
delete Ausdruck für entsprechende deallocation Funktionsnamen zunächst in der Klasse Umfang und nach, dass im globalen Bereich. Es kann angewiesen werden, den ersten Schritt zu überspringen. Beachten Sie, dass nach Überlastung Regeln, verbirgt alle deallocation Funktionen in der Klasse deklariert alle globalen deallocation Funktionen. Für weitere Informationen siehe Löschen Ausdruck .Original:
During compilation, each
delete expression looks up for appropriate deallocation function's name firstly in the class scope and after that in the global scope. It can be instructed to skip the first step. Note, that as per Überlastung Regeln, any deallocation functions declared in class scope hides all global deallocation functions. For more information see Löschen Ausdruck.The text has been machine-translated via Google Translate.
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Parameter
| ptr | - | Zeiger auf einen Speicherbereich freizugeben oder eine Null-Zeiger
Original: pointer to a memory area to deallocate or a null pointer The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
Rückgabewert
(None)
Original:
(none)
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Ausnahmen
Siehe auch
Siehe auch
| Speicheranforderungsfunktion (Funktion) | |
Pressemitteilungen initialisierten Speicher Original: releases uninitialized storage The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |
Gibt den Speicherbereich Original: deallocates memory The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion) | |