{

Events<> e0; Events<int> e1; Events<bool, int> e2; Variable<int> v; Variable<int*> va;

auto vf = constant([] (int x) { return x * 9; });

auto vb = constant([] (int x) { return x > 9; });

Events<Events<int>> ee;

Variable<Variable<int>> vv;

Events<void (*)()> ex;

Variable<Events<>> ve;

{

Events<int> a(e1);

Events<int> b = e1.mergedWith(a);

Events<bool> c = e2.transformedBy([] (bool b, int n) { return b || n > 9; });

Events<int> d = b.transformedBy(vf);

Events<bool, int> e = e2.filteredBy([] (bool b, int) { return b; });

//Events<bool, int> f = e.filteredBy(v.transformedBy([] (int n) { return n < 0; }));

//Events<int> g = e1.filteredBy(vb);

std::array<Events<int>, 4> h = e1.partitionedBy<4>([] (int n) { return n % 4; });

Events<bool> i = e0.taggedWith(false);

Events<bool, int> j = e1.taggedAtFrontWith(true);

Events<int> k = e0.withSnapshotOf(v);

Events<int, int> l = k.withSnapshotAtFrontOf(v);

Events<int, bool, bool, bool> m = e2.positions<1, 0, 0, 0>();

Events<std::tuple<bool, int>> n = e2.tupled();

Events<bool, int> o = n.untupled();

Events<int> p = ee.flattened();

Variable<int> q = e1.lastValueStartingWith(0);

Variable<std::array<int, 5>> r = e1.historyStartingWithDefaults<5>();

Variable<std::vector<int>> s = e1.history(9);

Variable<int> t = e2.count();

ex.exec();

Events<int> u = r.changes()[4];

Events<int> w = r.changes()[v];

Events<bool> x = vb.changes()(9);

Events<bool> y = vb.changes()(v);

Events<int> z = u * 9 - v;

}

{

Variable<int> a(5);

Variable<int> b(5, e1);

Variable<int> c(b);

Variable<bool> d = a.transformedBy([] (int n) { return n < 55; });

Variable<bool> e = b.transformedBy(vb);

Variable<int> f = vv.flattened();

Variable<int> g = va[5];

Variable<int> h = va[v];

Variable<bool> i = vb(9);

Variable<bool> j = vb(v);

Variable<bool> k = (vf((a + b * c) << 9) < g) || i;

Variable<std::tuple<bool, int, int>> l = tupled(d, b, a);

Variable<int> m = sample([] () { return 99; }, e0);

Events<> n = variableEvents(ve);

Mutable<int> o;

o /= 9;

}

}