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The type of a given data object does not vary over that object's lifetime.. Failing to do so leads to resource leaks. Resources like memory, forms, database handles and everything else your object has been using. This language was documented in "The Pascal Report", the second part of the "Pascal users manual and report". NET platform, TInterfacedObject is an alias for TObject.type TInterfacedObject = class(TObject, IInterface) protected FRefCount: Integer; function QueryInterface(const IID: TGUID; out Obj): HResult; stdcall; function _AddRef: Integer; stdcall; function _Release: Integer; stdcall; public procedure AfterConstruction; override; procedure BeforeDestruction; override; class function NewInstance: TObject; override; property RefCount: Integer read FRefCount; end;TInterfacedObject implements the IInterface interface.

Pages: 1000

Publisher: Sybex Inc (June 1995)

ISBN: 0782117392

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These methods take no arguments, empty() returns true or false and size() returns an integer. = #include #include #include "printset.h" using namespace std; int main() { set > s; cout << "The set s is " << (s.empty()? "empty.": "non-empty.") << endl; cout << "It has " << s.size() << "elements." << endl; cout << "Now adding some elements... " << endl; s.insert(1); s.insert(6); s.insert(7); s.insert(-7); s.insert(5); s.insert(2); s.insert(1); s.insert(6); cout << "The set s is now << (s.empty()? "empty.": "non-empty.") << endl; cout << "It has " << s.size() << "elements." << endl; cout << "s = " << s << endl; } Checking the Equality of Sets. = #include #include #include "printset.h" using namespace std; int main() { set > s1, s2 ,s3; for (int i=0; i<10; i++) { s1.insert(i); s2.insert(2*i); s3.insert(i); } cout << "s1 = " << s1 << endl; cout << "s2 = " << s2 << endl; cout << "s3 = " << s3 << endl; cout << "s1==s2 is: " << (s1==s2? true.: false.) << endl; cout << "s1==s3 is: " << (s1==s3? true.: false.) << endl; } It is also possible to compare two sets using < ref.: Essential Delphi 2.0 Fast: How read epub read epub.

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