C + + Konzepte: UnformattedInputFunction – cppreference.com

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Ein UnformattedInputFunction ist ein Strom-Eingang Funktion, die die folgenden führt:

Original:

An UnformattedInputFunction is a stream input function that performs the following:

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Erzeugt ein Objekt vom Typ
basic_istream::sentry
mit automatischer Lagerdauer und mit dem noskipws Argument auf true, die folgende ausführt
Original:
Constructs an object of type
basic_istream::sentry
with automatic storage duration and with the noskipws argument set to true, which performs the following
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wenn
eofbit
oder
badbit
auf der Input-Stream gesetzt, setzt die failbit als gut, und wenn Ausnahmen failbit in diesem Eingabestrom die Ausnahme Maske aktiviert, wirft
ios_base::failure
.
Original:
if
eofbit
or
badbit
are set on the input stream, sets the failbit as well, and if exceptions on failbit are enabled in this input stream's exception mask, throws
ios_base::failure
.
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spült die tie () 'd Ausgabe-Stream, falls zutreffend
Original:
flushes the tie()'d output stream, if applicable
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Prüft den Status der Wache durch den Aufruf sentry::operator bool(), das entspricht
basic_ios::good
ist .
Original:
Checks the status of the sentry by calling sentry::operator bool(), which is equivalent to
basic_ios::good
.
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Wenn die Wache wieder false oder sentry Konstruktor hat eine Ausnahme:
Original:
If the sentry returned false or sentry's constructor threw an exception:
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setzt die Anzahl von extrahierten Zeichen (gcount) in dem Eingangsstrom Null ist
Original:
sets the number of extracted characters (gcount) in the input stream to zero
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wenn die Funktion aufgerufen wurde, um zu einer Anordnung von CharT einzutragen, schreibt CharT() (der Null-Zeichen) zu der ersten Stelle des Arrays
Original:
if the function was called to write to an array of CharT, writes CharT() (the null character) to the first location of the array
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Wenn die Wache true zurückgekehrt, führt der Eingang
Original:
If the sentry returned true, performs the input
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wenn eine Ausnahme während der Eingabe ausgelöst wird, setzt badbit im Eingabestrom. Wenn Ausnahmen badbit in diesem Strom der Ausnahmeliste Maske aktiviert ist, wird die Ausnahme auch erneut ausgelöst .
Original:
if an exception is thrown during input, sets badbit in the input stream. If exceptions on badbit are enabled in this stream's exception mask, the exception is also rethrown.
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Wenn keine Ausnahme während der Eingabe geworfen wurde, legt die Anzahl der extrahierten Zeichen (gcount) in der Input-Stream .
Original:
If no exception was thrown during input, sets the number of extracted characters (gcount) in the input stream.
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In jedem Fall, ob Abschlusswiderstand by Exception oder Rückgabe wird der Wache destructor bevor diese Funktion aufgerufen .
Original:
In any event, whether terminating by exception or returning, the sentry's destructor is called before leaving this function.
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Standard-Bibliothek

Die folgenden Standard-Bibliothek Funktionen sind UnformattedInputFunctions .

Original:

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std::getline, außer dass es nicht modifiziert gcount .
Original:
std::getline, except that it does not modify gcount.
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basic_istream::operator>>(basic_streambuf*)
basic_istream::get
basic_istream::getline
basic_istream::ignore
basic_istream::peek
basic_istream::read
basic_istream::readsome
basic_istream::putback
, außer dass es erste löscht eofbit
Original:
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basic_istream::unget
, außer dass es erste löscht eofbit
Original:
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basic_istream::sync
, außer dass es nicht modifiziert gcount
Original:
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basic_istream::tellg
, außer dass es nicht modifiziert gcount
Original:
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basic_istream::seekg
, außer dass es erste löscht eofbit und verändert nicht gcount
Original:
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std::ws, außer dass es nicht modifiziert gcount
Original:
std::ws, except that it does not modify gcount
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