Dmitriy Purgin 0c3955cca5
Implement QPromise<T>::convert<U>() (#41)
Converts the resolved value of `QPromise<T>` to the type `U`. Depending on types `T` and `U`, it performs a static cast, calls a converting constructor or tries to convert using `QVariant`.
2020-11-22 17:26:06 +01:00
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