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authorSona Kurazyan <sona.kurazyan@qt.io>2021-11-29 17:36:57 +0100
committerSona Kurazyan <sona.kurazyan@qt.io>2021-12-01 01:58:18 +0100
commit3be72253a6c8f469626d931b623f548cfe1e81a7 (patch)
tree40152cea64e1cf8e3e0e84d9c3ee60c2d6e98f17 /src/widgets/widgets/qworkspace.cpp
parent1a61b85a2c04d48496a2e83359bf1d65abbc14dc (diff)
Fix QFuture continuations/handlers to work with move-only callablesHEADdev
std::function, which is used to store the type-erased continuation lambdas, requires the passed callable to be copy-constructible. This makes impossible to use move-only callables with continuations/handlers. In particular, it makes impossible passing lambdas that are capturing move-only objects. The workaround is to store the continuation lambda inside a wrapper for the callable, which stores the move-only lambda in a QSharedPtr and can be stored in std::function, since it's copyable. Pick-to: 6.2 Fixes: QTBUG-98493 Change-Id: I8b7a22fcf68dc132b3c533216a7a1665e9f9fb0a Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io> Reviewed-by: MÃ¥rten Nordheim <marten.nordheim@qt.io>
Diffstat (limited to 'src/widgets/widgets/qworkspace.cpp')
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