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Code Issues Releases Wiki Activity

Allow not type-erased producers.

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This commit is contained in:
John Preston
2017-09-27 14:16:05 +03:00
parent 086e46c162
commit cdda7f8f9a
25 changed files with 636 additions and 268 deletions
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15
Telegram/SourceFiles/rpl/variable.h
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@@ -62,9 +62,11 @@ public:
template <
typename OtherType,
typename Error,
typename Generator,
typename = std::enable_if_t<
std::is_assignable_v<Type, OtherType>>>
variable(rpl::producer<OtherType> &&stream) {
variable(producer<OtherType, Error, Generator> &&stream) {
std::move(stream)
| start_with_next([this](auto &&data) {
*this = std::forward<decltype(data)>(data);
@@ -73,9 +75,12 @@ public:
template <
typename OtherType,
typename Error,
typename Generator,
typename = std::enable_if_t<
std::is_assignable_v<Type, OtherType>>>
variable &operator=(rpl::producer<OtherType> &&stream) {
variable &operator=(
producer<OtherType, Error, Generator> &&stream) {
_lifetime.destroy();
std::move(stream)
| start_with_next([this](auto &&data) {
@@ -86,7 +91,7 @@ public:
Type current() const {
return _data;
}
rpl::producer<Type> value() const {
auto value() const {
return _changes.events_starting_with_copy(_data);
}
@@ -100,8 +105,8 @@ private:
}
Type _data;
rpl::event_stream<Type> _changes;
rpl::lifetime _lifetime;
event_stream<Type> _changes;
lifetime _lifetime;
};