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Made base::lambda a copyable value type.

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Now base::lambda can be copied and can wrap any immutable lambda.
For mutable lambdas there is base::lambda_once (which you're
supposed to call only once to pass data through lambda captures,
for example by using std::unique_ptr). Generally base::lambda is
passed by value and base::lambda_once is passed by rvalue reference.
This commit is contained in:
John Preston
2017-02-26 14:32:13 +03:00
parent f82989c9c3
commit c207743338
78 changed files with 662 additions and 633 deletions
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Telegram/SourceFiles/ui/widgets/dropdown_menu.cpp
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@@ -69,7 +69,7 @@ QAction *DropdownMenu::addAction(const QString &text, const QObject *receiver, c
return _menu->addAction(text, receiver, member, icon, iconOver);
}
QAction *DropdownMenu::addAction(const QString &text, base::lambda<void()> &&callback, const style::icon *icon, const style::icon *iconOver) {
QAction *DropdownMenu::addAction(const QString &text, base::lambda<void()> callback, const style::icon *icon, const style::icon *iconOver) {
return _menu->addAction(text, std::move(callback), icon, iconOver);
}