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//! [0]

Q3IntDict<QLineEdit> fields; // long int keys, QLineEdit* values

for ( int i = 0; i < 3; i++ )

    fields.insert( i, new QLineEdit( this ) );

fields[0]->setText( "Homer" );

fields[1]->setText( "Simpson" );

fields[2]->setText( "45" );

Q3IntDictIterator<QLineEdit> it( fields );

for ( ; it.current(); ++it )

    cout << it.currentKey() << ": " << it.current()->text() << endl;

for ( int i = 0; i < 3; i++ )

    cout << fields[i]->text() << " "; // Prints "Homer Simpson 45"

cout << endl;

fields.remove( 1 ); // Does not delete the line edit

for ( int i = 0; i < 3; i++ )

    if ( fields[i] )

	cout << fields[i]->text() << " "; // Prints "Homer 45"

//! [0]

//! [1]

Q3IntDict<char> dict;

//	...

if ( dict.find(key) )

    dict.remove( key );

dict.insert( key, item );

//! [1]

//! [2]

Q3IntDict<QLineEdit> fields;

for ( int i = 0; i < 3; i++ )

    fields.insert( i, new QLineEdit( this ) );

fields[0]->setText( "Homer" );

fields[1]->setText( "Simpson" );

fields[2]->setText( "45" );

Q3IntDictIterator<QLineEdit> it( fields ); 

for ( ; it.current(); ++it )

    cout << it.currentKey() << ": " << it.current()->text() << endl;

// Output (random order):

//	0: Homer

//	1: Simpson

//	2: 45

//! [2]