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C + + Konzepte: CopyConstructible – cppreference.com

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Gibt an, dass eine Instanz des Typs copy-gebaut (kopiert) werden .

Original:

Specifies that an instance of the type can be copy-constructed (copied).

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Dieses Konzept beinhaltet MoveConstructible .

Original:

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Anforderungen

Der Typ muss Umsetzung der folgenden Funktionen:

Original:

The type must implement the following functions:

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Type::Type

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Type::Type( Type& other ); Type::Type( const Type& other ); Type::Type( volatile Type& other ); Type::Type( const volatile Type& other );

(Eine der Varianten ist ausreichend)

Kopieren Konstruktor: constructs an instance of a type with the contents of other. The internal state of other is not modified.

The following expressions must have the specified effects:

Expression

Original:

Expression

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Effects
Type a = v;

a entspricht v, wo rv ist eine Instanz Type. v muss unverändert .

Original:

a is equivalent to v, where rv is an instance of Type. v must be unchanged.

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Type(v);

eine temporäre Objekt vom Typ Type entspricht v, wo v ist eine Instanz Type. v muss unverändert .

Original:

a temporary object of type Type is equivalent to v, where v is an instance of Type. v must be unchanged.

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Siehe auch