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985c397 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | # Simple Examples
>If you are not familar with Boost.Signals2, please read [Boost.Signals2: Connections](https://theboostcpplibraries.com/boost.signals2-connections)
## Example with signal<> and connection
```cpp
// Creates signal and connects 1 slot, calls 2 times, disconnects, calls again.
// Outputs:
// 13
// 17
#include "libfastsignals/signal.h"
using namespace fastsignals;
int main()
{
signal<void(int)> valueChanged;
connection conn;
conn = valueChanged.connect([](int value) {
cout << value << endl;
});
valueChanged(13);
valueChanged(17);
conn.disconnect();
valueChanged(42);
}
```
## Example with scoped_connection
```cpp
// Creates signal and connects 1 slot, calls 2 times, calls again after scoped_connection destroyed.
// - note: scoped_connection closes connection in destructor
// Outputs:
// 13
// 17
#include "libfastsignals/signal.h"
using namespace fastsignals;
int main()
{
signal<void(int)> valueChanged;
{
scoped_connection conn;
conn = valueChanged.connect([](int value) {
cout << value << endl;
});
valueChanged(13);
valueChanged(17);
}
valueChanged(42);
}
```
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