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iterator(3u) [osf1 man page]

Iterator(3U)						    InterViews Reference Manual 					      Iterator(3U)

Iterator - marks a position in a data structure SYNOPSIS
#include <Unidraw/iterator.h> DESCRIPTION
An iterator marks a position in a data structure, generally during a traversal of some sort. For example, an iterator keeps track of the current position when iterating through a list of elements. Unidraw's Iterator class serves this purpose in conjunction with ULists or objects that use them. PUBLIC OPERATIONS
Iterator() Iterator(Iterator&) Construct a new iterator. The second constructor initializes the iterator's value to that of the given iterator. virtual void SetValue(void*) virtual void* GetValue() Classes that use an iterator must store position information in it. These operations set and get the this information. SEE ALSO
UList(3U) Unidraw 11 June 1990 Iterator(3U)

Check Out this Related Man Page

MacroCmd(3U)						    InterViews Reference Manual 					      MacroCmd(3U)

MacroCmd - a command that composes other commands SYNOPSIS
#include <Unidraw/Commands/macro.h> DESCRIPTION
MacroCmd composes other commands in a linear fashion. Executing a MacroCmd is equivalent to executing its children in preorder. PUBLIC OPERATIONS
MacroCmd(ControlInfo*) MacroCmd( Editor* = nil, Command* first = nil, Command* second = nil, Command* third = nil, Command* fourth = nil ) Construct a MacroCmd instance, optionally supplying up to four of its child commands. virtual void Execute() virtual void Unexecute() virtual boolean Reversible() Execute simply executes each child, from first to last. Unexecute calls Unexecute on each child, from last to first. The MacroCmd is reversible if any of its children are. virtual void SetEditor(Editor*) SetEditor calls SetEditor on each child with the given argument. Command* GetCommand(Iterator) void SetCommand(Command*, Iterator&) GetCommand returns the child Command to which an iterator points. SetCommand initializes the iterator to point to a particular child Command; it initializes the iterator to point to a nil instance if the given Command is not a child. void Append( Command*, Command* = nil, Command* = nil, Command* = nil ) void Prepend( Command*, Command* = nil, Command* = nil, Command* = nil ) void InsertAfter(Iterator, Command*) void InsertBefore(Iterator, Command*) void Remove(Command*) void Remove(Iterator&) Operations that modify the MacroCmd's list of children. Append and Prepend add up to four Commands to the end and the beginning of the list, respectively. InsertAfter and InsertBefore insert a Command after and before the Command pointed to by the iterator, respectively. The Remove operations remove a child from the list without deleting it. You can remove a child by referring to it explicitly or by specifying an iterator. If an iterator is supplied, the Remove operation should advance it to point to the follow- ing child as a side effect. PROTECTED OPERATIONS
Command* Cmd(UList*) UList* Elem(Iterator) Convenience functions for extracting a Command from a UList element a UList from an iterator, respectively. SEE ALSO
Command(3U), Iterator(3U), UList(3U) Unidraw 24 January 1991 MacroCmd(3U)
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