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Simon Brunel cc29ef3512 Fix docs C++ snippet for the .fail() args

- Fix the wrong lambda format (missing `[]`).
- Make consistent argument naming (`error`).
- Use `const &` when appropriated.

2020-01-04 13:25:19 +01:00

577 B

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title

title
.fail

QPromise::fail

Since: 0.1.0

QPromise<T>::fail(Function onRejected) -> QPromise<T>

Shorthand to promise.then(nullptr, onRejected) for handling errors in promise chains, similar to the native C++ catch statement:

promise.fail([](const MyException& error) {
    // {...}
}).fail([](const QException& error) {
    // {...}
}).fail([](const std::exception& error) {
    // {...}
}).fail([]() {
    // {...} catch-all
});

577 B Raw Blame History

QPromise::fail

577 B

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