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<b>class c4_Cursor</b>
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An iterator for collections of rows (views).<br><br>
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<font face=Helvetica size=-1><b>Public members</b></font>
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<b>c4_Cursor</b> (<A HREF="c4_Sequence.html" >c4_Sequence</A>& implementation_, int index_);
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Construct a new cursor</font>
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<A HREF="c4_RowRef.html" >c4_RowRef</A>
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<b>operator* </b> () <i>const</i>;
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Dereference this cursor to "almost" a row</font>
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<A HREF="c4_RowRef.html" >c4_RowRef</A>
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<b>operator[]</b> (int index_) <i>const</i>;
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This is the same as *(cursor + offset)</font>
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<A HREF="c4_Cursor.html" >c4_Cursor</A>&
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<b>operator++</b> ();
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Pre-increment the cursor</font>
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<A HREF="c4_Cursor.html" >c4_Cursor</A>
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<b>operator++</b> (int);
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Post-increment the cursor</font>
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<A HREF="c4_Cursor.html" >c4_Cursor</A>&
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<b>operator--</b> ();
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Pre-decrement the cursor</font>
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<A HREF="c4_Cursor.html" >c4_Cursor</A>
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<b>operator--</b> (int);
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Post-decrement the cursor</font>
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<A HREF="c4_Cursor.html" >c4_Cursor</A>&
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<b>operator+=</b> (int offset_);
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Advance by a given offset</font>
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<A HREF="c4_Cursor.html" >c4_Cursor</A>&
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<b>operator-=</b> (int offset_);
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Back up by a given offset</font>
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<A HREF="c4_Cursor.html" >c4_Cursor</A>
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<b>operator- </b> (int) <i>const</i>;
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Subtract a specified offset</font>
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int
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<b>operator- </b> (<A HREF="c4_Cursor.html" >c4_Cursor</A> cursor_) <i>const</i>;
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Return the distance between two cursors</font>
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<font face=Helvetica size=-1><b>Friends</b></font>
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friend <A HREF="c4_Cursor.html" >c4_Cursor</A>
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<b>operator+ </b> (<A HREF="c4_Cursor.html" >c4_Cursor</A> cursor_, int offset_);
<font face=Helvetica size=-1><br>Add specified offset</font>
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friend <A HREF="c4_Cursor.html" >c4_Cursor</A>
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<b>operator+ </b> (int offset_, <A HREF="c4_Cursor.html" >c4_Cursor</A> cursor_);
<font face=Helvetica size=-1><br>Add specified offset to cursor</font>
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friend bool
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<b>operator==</b> (<A HREF="c4_Cursor.html" >c4_Cursor</A> a_, <A HREF="c4_Cursor.html" >c4_Cursor</A> b_);
<font face=Helvetica size=-1><br>Return true if both cursors are equal</font>
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friend bool
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<b>operator!=</b> (<A HREF="c4_Cursor.html" >c4_Cursor</A> a_, <A HREF="c4_Cursor.html" >c4_Cursor</A> b_);
<font face=Helvetica size=-1><br>Return true if both cursors are not equal</font>
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friend bool
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<b>operator< </b> (<A HREF="c4_Cursor.html" >c4_Cursor</A> a_, <A HREF="c4_Cursor.html" >c4_Cursor</A> b_);
<font face=Helvetica size=-1><br>True if first cursor is less than second cursor</font>
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friend bool
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<b>operator> </b> (<A HREF="c4_Cursor.html" >c4_Cursor</A> a_, <A HREF="c4_Cursor.html" >c4_Cursor</A> b_);
<font face=Helvetica size=-1><br>True if first cursor is greater than second cursor</font>
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friend bool
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<b>operator<=</b> (<A HREF="c4_Cursor.html" >c4_Cursor</A> a_, <A HREF="c4_Cursor.html" >c4_Cursor</A> b_);
<font face=Helvetica size=-1><br>True if first cursor is less or equal to second cursor</font>
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friend bool
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<b>operator>=</b> (<A HREF="c4_Cursor.html" >c4_Cursor</A> a_, <A HREF="c4_Cursor.html" >c4_Cursor</A> b_);
<font face=Helvetica size=-1><br>True if first cursor is greater or equal to second cursor</font>
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friend bool
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<b>operator==</b> (const <A HREF="c4_RowRef.html" >c4_RowRef</A>& a_, const <A HREF="c4_RowRef.html" >c4_RowRef</A>& b_);
<font face=Helvetica size=-1><br>Return true if the contents of both rows are equal</font>
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friend bool
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<b>operator!=</b> (const <A HREF="c4_RowRef.html" >c4_RowRef</A>& a_, const <A HREF="c4_RowRef.html" >c4_RowRef</A>& b_);
<font face=Helvetica size=-1><br>Return true if the contents of both rows are not equal</font>
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friend bool
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<b>operator< </b> (const <A HREF="c4_RowRef.html" >c4_RowRef</A>& a_, const <A HREF="c4_RowRef.html" >c4_RowRef</A>& b_);
<font face=Helvetica size=-1><br>True if first row is less than second row</font>
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friend bool
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<b>operator> </b> (const <A HREF="c4_RowRef.html" >c4_RowRef</A>& a_, const <A HREF="c4_RowRef.html" >c4_RowRef</A>& b_);
<font face=Helvetica size=-1><br>True if first row is greater than second row</font>
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friend bool
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<b>operator<=</b> (const <A HREF="c4_RowRef.html" >c4_RowRef</A>& a_, const <A HREF="c4_RowRef.html" >c4_RowRef</A>& b_);
<font face=Helvetica size=-1><br>True if first row is less or equal to second row</font>
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friend bool
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<b>operator>=</b> (const <A HREF="c4_RowRef.html" >c4_RowRef</A>& a_, const <A HREF="c4_RowRef.html" >c4_RowRef</A>& b_);
<font face=Helvetica size=-1><br>True if first row is greater or equal to second row</font>
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friend class
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<b>c4_MemoRef</b>;
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friend class
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<b>c4_Reference</b>;
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friend class
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<b>c4_Row</b>;
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friend class
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<b>c4_RowRef</b>;
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friend class
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<b>c4_View</b>;
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friend class
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<b>c4_Sequence</b>;
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friend class
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<b>c4_FilterSeq</b>;
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friend class
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<b>c4_SortSeq</b>;
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<font face=Helvetica size=-1><b>Header file</b></font>
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"mk4.h" -- Dec 9, 1999
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