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QtTaskTree::RepeatIterator Class

class QtTaskTree::RepeatIterator

For element 내부에서 사용될 반복 이터레이터입니다. 더 보기...

헤더: #include <qtasktree.h>
CMake: find_package(Qt6 REQUIRED COMPONENTS TaskTree)
target_link_libraries(mytarget PRIVATE Qt6::TaskTree)
qmake: QT += tasktree
다음 버전부터: Qt 6.11부터
상속: QtTaskTree::Iterator
상태: 기술 미리 보기

이 클래스는 기술 미리보기 단계에 있으며 변경될 수 있습니다.

참고: 이 클래스의 모든 함수는 재진입 가능합니다.

공개 함수

RepeatIterator(qsizetype count)

자세한 설명

Iterator, ForeverIterator, UntilIterator 및 ListIterator도 참조하십시오 .

멤버 함수 설명

[explicit] RepeatIterator::RepeatIterator(qsizetype count)

For (RepeatIterator(count)) >> Do {} 구문을 위한 반복 이터레이터를 생성합니다. 이 이터레이터는 count 번 반복됩니다.

사용 예시:

static const int maxTries = 5;
static const int maxNumber = 10;
const int luckyNumber = QRandomGenerator().global()->bounded(maxNumber);

qDebug() << "Today's lucky number is:" << luckyNumber;
qDebug() << "You have" << maxTries << "lottery tickets.";
qDebug() << "Let's start the drawing...";

const auto onNumberCheck = [luckyNumber] {
    const int drawnNumber = QRandomGenerator().global()->bounded(maxNumber);
    qDebug() << "You have drawn:" << drawnNumber;
   return drawnNumber== luckyNumber;
};

const auto onDone = [](DoneWith result) {
    if (result== DoneWith::Success)
        qDebug() << "You have won! Congratulations!";
   else if (result== DoneWith::Error)
        qDebug() << "You have lost. Try again.";
};

const Group recipe {
    For (RepeatIterator(maxTries)) >> Do {
        stopOnSuccess,
        timeoutTask(1s),
        QSyncTask(onNumberCheck)
    },
    onGroupDone(onDone)
};

QTaskTree 에 의해 recipe 가 시작되어 성공적으로 완료되었을 때 나올 수 있는 출력은 다음과 같습니다:

Today's lucky number is: 6
You have 5 lottery tickets.
Let's start the drawing...
You have drawn: 9
You have drawn: 6
You have won! Congratulations!

오류가 발생하여 종료되는 경우, 출력은 다음과 같을 수 있습니다:

Today's lucky number is: 8
You have 5 lottery tickets.
Let's start the drawing...
You have drawn: 1
You have drawn: 7
You have drawn: 6
You have drawn: 7
You have drawn: 2
You have lost. Try again.

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