source: trunk/doc/src/snippets/code/doc_src_q3asciidict.qdoc

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//! [0]
Q3AsciiDict<QLineEdit> fields; // char* keys, QLineEdit* values
fields.insert( "forename", new QLineEdit( this ) );
fields.insert( "surname", new QLineEdit( this ) );

fields["forename"]->setText( "Homer" );
fields["surname"]->setText( "Simpson" );

Q3AsciiDictIterator<QLineEdit> it( fields ); // See Q3AsciiDictIterator
for( ; it.current(); ++it )
    cout << it.currentKey() << ": " << it.current()->text() << endl;
cout << endl;

if ( fields["forename"] && fields["surname"] )
    cout << fields["forename"]->text() << " " 
        << fields["surname"]->text() << endl;  // Prints "Homer Simpson"

fields.remove( "forename" ); // Does not delete the line edit
if ( ! fields["forename"] )
    cout << "forename is not in the dictionary" << endl;
//! [0]


//! [1]
Q3AsciiDict<char> dict;
    ...
if ( dict.find(key) )
    dict.remove( key );
dict.insert( key, item );
//! [1]


//! [2]
Q3AsciiDict<QLineEdit> fields;
fields.insert( "forename", new QLineEdit( this ) );
fields.insert( "surname", new QLineEdit( this ) );
fields.insert( "age", new QLineEdit( this ) );

fields["forename"]->setText( "Homer" );
fields["surname"]->setText( "Simpson" );
fields["age"]->setText( "45" );

Q3AsciiDictIterator<QLineEdit> it( fields );
for( ; it.current(); ++it )
    cout << it.currentKey() << ": " << it.current()->text() << endl;
cout << endl;

// Output (random order):
//      age: 45
//      surname: Simpson
//      forename: Homer
//! [2]