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//! [0]

#include <q3memarray.h>

#include <stdio.h>

Q3MemArray<int> fib( int num ) // returns fibonacci array

{

    Q_ASSERT( num > 2 );

    Q3MemArray<int> f( num ); // array of ints

    f[0] = f[1] = 1;

    for ( int i = 2; i < num; i++ )

	f[i] = f[i-1] + f[i-2];

    return f;

}

int main()

{

    Q3MemArray<int> a = fib( 6 ); // get first 6 fibonaccis

    for ( int i = 0; i < a.size(); i++ )

	qDebug( "%d: %d", i, a[i] );

    qDebug( "1 is found %d times", a.contains(1) );

    qDebug( "5 is found at index %d", a.find(5) );

    return 0;

}

//! [0]

//! [1]

0: 1

1: 1

2: 2

3: 3

4: 5

5: 8

1 is found 2 times

5 is found at index 4

//! [1]

//! [2]

// MyStruct may be padded to 4 or 8 bytes

struct MyStruct

{

    short i; // 2 bytes

    char c;  // 1 byte

};

Q3MemArray<MyStruct> a(1);

a[0].i = 5;

a[0].c = 't';

MyStruct x;

x.i = '5';

x.c = 't';

int i = a.find( x ); // may return -1 if the pad bytes differ

//! [2]

//! [3]

static char bindata[] = { 231, 1, 44, ... };

QByteArray	a;

a.setRawData( bindata, sizeof(bindata) );	// a points to bindata

QDataStream s( a, IO_ReadOnly );		// open on a's data

s >> <something>;				// read raw bindata

a.resetRawData( bindata, sizeof(bindata) ); // finished

//! [3]

//! [4]

static char bindata[] = { 231, 1, 44, ... };

QByteArray	a, b;

a.setRawData( bindata, sizeof(bindata) );	// a points to bindata

a.resize( 8 );				// will crash

b = a;					// will crash

a[2] = 123;					// might crash

// forget to resetRawData: will crash

//! [4]