<div class="t-tr-text">C + +: concetti<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">C++ concepts:</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> CopyInsertable
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Specifica che un esempio del tipo può essere copia-costruito sul posto, nella memoria non inizializzata.
Original:
Specifies that an instance of the type can be copy-constructed in-place, in uninitialized storage.
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[modifica] Requisiti
Il
T tipo è CopyInsertable nel X contenitore se, datoOriginal:
The type
T is CopyInsertable into the container X if, givenThe text has been machine-translated via Google Translate.
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A
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del tipo definito come allocatore
X::allocator_type Original: the allocator type defined as X::allocator_type The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
m
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il valore assegnabile di
A tipo ottenuto da X::get_allocator() Original: the lvalue of type A obtained from X::get_allocator() The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
p
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il puntatore di tipo
T* preparato dal contenitore Original: the pointer of type T* prepared by the container The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
v
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espressione di
T tipo, a condizione che come argomento di push_back (), ecc Original: expression of type T, provided as the argument to push_back(), etc The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
la seguente espressione è ben formato:
Original:
the following expression is well-formed:
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std::allocator_traits<A>::construct(m, p, v);
Si noti che se è
A std::allocator<T>, allora questo si chiama posizionamento nuovo, come da ::new((void*)p) T(v)Original:
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