unwrap overloads
Synopses
Declared in <folly/observer/Observer.h>
Returns the observer unchanged.
template<typename T>
Observer<T>
unwrap(Observer<T> observer);Flattens a nested Observer into a single Observer.
template<typename T>
Observer<T>
unwrap(Observer<Observer<T>> observer);Return Value
-
The same Observer.
-
An Observer tracking the inner Observer.
Parameters
Name |
Description |
observer |
The Observer to unwrap. |
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