Common
Demonstration of common functions, methods and operators for concrete types
Common.cpp
#include <Core/Core.h>
using namespace Upp;
struct Foo : Moveable< Foo, Comparable<Foo> > {
String a;
int b;
String ToString() const { return String().Cat() << '(' << a << ", " << b << ')'; }
unsigned GetHashValue() const { return CombineHash() << a << b; }
int Compare(const Foo& x) const { return CombineCompare(a, x.a)(b, x.b); }
void Serialize(Stream& s) { s % a % b; }
void Xmlize(XmlIO xml) { xml("text", a)("number", b); }
bool IsNullInstance() const { return IsNull(a); }
Foo() {}
};
Foo RandFoo()
{
Foo c;
c.a << (rand() & 3);
c.b = rand() & 3;
return c;
}
CONSOLE_APP_MAIN
{
VectorMap<Foo, int> data;
for(int i = 0; i < 100; i++) {
Foo a = RandFoo();
Foo b = RandFoo();
LOG(a << " < " << b << " ... " << (a < b));
LOG(a << " == " << b << " ... " << (a == b));
DUMP(GetHashValue(a));
String x = StoreAsString(a);
LoadFromString(b, x);
DUMP(b);
LOG("--------------");
data.GetAdd(a, 0)++;
}
Vector<int> q = GetSortOrder(data.GetKeys());
for(int i = 0; i < data.GetCount(); i++)
LOG(data.GetKey(q[i]) << " ... " << data[q[i]]);
LOG("------");
LOG(StoreAsXML(data, "Foo"));
Foo a;
DUMP(IsNull(a));
a = RandFoo();
DUMP(IsNull(a));
}
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