Espaços nominais
Variantes
Acções

<div class="t-tr-text">C + +: conceitos<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> DefaultConstructible

Da cppreference.com
< cpp‎ | concept

 
 
C + + conceitos
Basic
Original:
Basic
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DefaultConstructible
CopyAssignable
CopyConstructible
Biblioteca-Wide
Original:
Library-Wide
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Container
Original:
Container
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Elementos de contêineres
Original:
Container Elements
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Iterator
Original:
Iterator
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Números aleatórios
Original:
Random Numbers
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Simultaneidade
Original:
Concurrency
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BasicLockable(C++11)
Lockable(C++11)
TimedLockable(C++11)
Mutex(C++11)
TimedMutex(C++11)
Outro
Original:
Other
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Especifica que uma instância do tipo pode ser padrão construído.
Original:
Specifies that an instance of the type can be default constructed.
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[editar] Requisitos

O tipo deve implementar as seguintes funções:
Original:
The type must implement the following functions:
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Type::Type

Type::Type();

construtor padrão: constructs an instance of a type with default contents.

The following expressions must have the specified effects:

Expressão
Original:
Expression
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Effects
Type a1;
a1 é padrão inicializada .
Original:
a1 is default-initialized.
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Type a2{};
a2 é valor inicializado .
Original:
a2 is value-initialized.
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Type{}
Type()
um objeto temporário de Type tipo é de valor inicializado .
Original:
a temporary object of type Type is value-initialized.
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[editar] Veja também

verifica se um tipo tem um construtor padrão
Original:
checks if a type has a default constructor
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(modelo de classe) [edit]