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Function objects – cppreference.com

Aus cppreference.com

(Weitergeleitet von cpp/functional)

A-Funktion Objekt ist jedes Objekt, für das die Funktionsaufrufoperator definiert ist. C + + bietet viele eingebaute Funktion Objekte sowie die Unterstützung für die Erstellung und Bearbeitung von neuen Funktion Objekte .

Original:

A function object is any object for which the function call operator is defined. C++ provides many built-in function objects as well as support for creation and manipulation of new function objects.

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Polymorphe Funktion Wrapper

std::function bietet Unterstützung für das Speichern beliebige Funktion Objekte .

Original:

std::function provides support for storing arbitrary function objects.

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function (C++11)	wickelt aufrufbare Objekt eines beliebigen Typs mit dem angegebenen Funktion Call-Signatur Original: wraps callable object of any type with specified function call signature The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

mem_fn (C++11)	erzeugt ein Funktionsobjekt aus dem Zeiger auf einen Member (Funktions-Template) [edit]

bad_function_call (C++11)	Ausnahme, die beim Aufruf einer leeren std::function ausgelöst wird (Klasse) [edit]

Binden

std::bind bietet Unterstützung für Teilfunktion Anwendung, dh verbindliche Argumente an Funktionen erzeugen neue Funktionen .

Original:

std::bind provides support for Teilfunktion Anwendung, i.e. binding arguments to functions to produce new functions.

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bind (C++11)	bindet ein oder mehrere Argumente an eine Funktion Objekt Original: binds one or more arguments to a function object The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

is_bind_expression (C++11)	zeigt an, dass ein Objekt `std::bind` Ausdruck ist oder wie ein eingesetzt werden Original: indicates that an object is `std::bind` expression or can be used as one The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

is_placeholder (C++11)	zeigt an, dass ein Objekt ein Standard Platzhalter ist oder wie ein eingesetzt werden Original: indicates that an object is a standard placeholder or can be used as one The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]
definiert in Namensraum `std::placeholders`

_1, _2, _3, _4, ... (C++11)	Platzhalter für den ungebundenen Argumente in einer `std::bind` Ausdruck Original: placeholders for the unbound arguments in a `std::bind` expression The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (konstanten) [edit]

Referenz Wrapper

Referenz Wrapper erlaubt Verweisargumente in copyable Funktion Objekte gespeichert werden:

Original:

Reference wrappers allow reference arguments to be stored in copyable function objects:

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Function-Objekte

C + + definiert mehrere Funktions-Objekte, die gemeinsame arithmetische und logische Operationen darstellen:

Original:

C++ defines several function objects that represent common arithmetic and logical operations:

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Arithmetische Operationen Original: Arithmetic operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

plus	Funktions-Objekt Umsetzung `x + y` Original: function object implementing `x + y` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

minus	Funktions-Objekt Umsetzung `x - y` Original: function object implementing `x - y` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

multiplies	Funktions-Objekt Umsetzung `x * y` Original: function object implementing `x * y` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

divides	Funktions-Objekt Umsetzung `x / y` Original: function object implementing `x / y` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

modulus	Funktions-Objekt Umsetzung `x % y` Original: function object implementing `x % y` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

negate	Funktions-Objekt Umsetzung `-x` Original: function object implementing `-x` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]
Vergleiche Original: Comparisons The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

equal_to	Funktions-Objekt Umsetzung `x == y` Original: function object implementing `x == y` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

not_equal_to	Funktions-Objekt Umsetzung `x != y` Original: function object implementing `x != y` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

greater	Funktions-Objekt Umsetzung `x > y` Original: function object implementing `x > y` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

less	Funktions-Objekt Umsetzung `x < y` Original: function object implementing `x < y` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

greater_equal	Funktions-Objekt Umsetzung `x >= y` Original: function object implementing `x >= y` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

less_equal	Funktions-Objekt Umsetzung `x <= y` Original: function object implementing `x <= y` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]
Logische Operationen Original: Logical operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

logical_and	Funktions-Objekt Umsetzung `x && y` Original: function object implementing `x && y` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

logical_or	Funktions-Objekt Umsetzung `x \|\| y` Original: function object implementing `x \|\| y` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

logical_not	Funktions-Objekt Umsetzung `!x` Original: function object implementing `!x` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]
Bitweise Operationen Original: Bitwise operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

bit_and	Funktions-Objekt Umsetzung `x & y` Original: function object implementing `x & y` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

bit_or	Funktions-Objekt Umsetzung `x \| y` Original: function object implementing `x \| y` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

bit_xor	Funktions-Objekt Umsetzung `x ^ y` Original: function object implementing `x ^ y` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]
Verneiner Original: Negators The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unary_negate	Wrapper-Funktion Objekt wieder das Komplement des unären Prädikat es hält Original: wrapper function object returning the complement of the unary predicate it holds The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

binary_negate	Wrapper-Funktion Objekt wieder das Komplement der binären Prädikats es hält Original: wrapper function object returning the complement of the binary predicate it holds The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

not1	baut kundenspezifische std::unary_negate Objekt Original: constructs custom std::unary_negate object The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

not2	baut kundenspezifische std::binary_negate Objekt Original: constructs custom std::binary_negate object The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

Veraltet in C + +11

Mehrere Programme, die frühe funktionelle Unterstützung vorgesehen sind, in C + 11 veraltet:

Original:

Several utilities that provided early functional support are deprecated in C++11:

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Base Original: Base The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unary_function (veraltet)	Adapter kompatibel einstellige Funktion Basisklasse Original: adaptor-compatible unary function base class The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

binary_function (veraltet)	Adapter kompatibel Binärfunktion Basisklasse Original: adaptor-compatible binary function base class The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]
Binders Original: Binders The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

binder1st binder2nd (veraltet) (veraltet)	Funktions-Objekt hält eine binäre Funktion und eines ihrer Argumente Original: function object holding a binary function and one of its arguments The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

bind1st bind2nd (veraltet) (veraltet)	bindet ein Argument für eine binäre Funktion Original: binds one argument to a binary function The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]
Funktion Adaptern Original: Function adaptors The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

pointer_to_unary_function (veraltet)	Adapter-kompatiblen Wrapper für einen Zeiger auf einstellige Funktion Original: adaptor-compatible wrapper for a pointer to unary function The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

pointer_to_binary_function (veraltet)	Adapter-kompatiblen Wrapper für einen Zeiger auf binäre Funktion Original: adaptor-compatible wrapper for a pointer to binary function The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

ptr_fun (veraltet)	schafft eine Adapter-kompatiblen Funktion Objekt-Wrapper von einem Zeiger auf eine Funktion Original: creates an adaptor-compatible function object wrapper from a pointer to function The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

mem_fun_t mem_fun1_t const_mem_fun_t const_mem_fun1_t (veraltet) (veraltet) (veraltet) (veraltet)	Wrapper für einen Zeiger auf Member-Funktion, aufrufbar mit einem Zeiger auf Objekt nullary Original: wrapper for a pointer to nullary member function, callable with a pointer to object The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

mem_fun (veraltet)	erstellt einen Wrapper von einem Zeiger auf Member-Funktion, aufrufbar mit einem Zeiger auf Objekt Original: creates a wrapper from a pointer to member function, callable with a pointer to object The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]

mem_fun_ref_t mem_fun1_ref_t const_mem_fun_ref_t const_mem_fun1_ref_t (veraltet) (veraltet) (veraltet) (veraltet)	Wapper für einen Zeiger auf nullary oder unären Member-Funktion, aufrufbar mit einem Verweis auf Objekt Original: wapper for a pointer to nullary or unary member function, callable with a reference to object The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

mem_fun_ref (veraltet)	erstellt einen Wrapper von einem Zeiger auf Member-Funktion, aufrufbar mit einem Verweis auf Objekt Original: creates a wrapper from a pointer to member function, callable with a reference to object The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) [edit]