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								< title > Writable Iterator Concept< / title >  
						 
					
						
							
								
									
										
										
										
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								< div  class = "document"  id = "writable-iterator-concept" >  
						 
					
						
							
								
									
										
										
										
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								< h1  class = "title" > Writable Iterator Concept< / h1 >  
						 
					
						
							
								
									
										
										
										
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								<!--  Copyright David Abrahams 2006. Distributed under the Boost  -->  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								<!--  Software License, Version 1.0. (See accompanying  -->  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								<!--  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)  -->  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< p > A class or built-in type < tt  class = "docutils literal" > < span  class = "pre" > X< / span > < / tt >  models the < em > Writable Iterator< / em >  concept 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								if, in addition to < tt  class = "docutils literal" > < span  class = "pre" > X< / span > < / tt >  being Copy Constructible, the following
							 
						 
					
						
							
								
									
										
										
										
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								expressions are valid and respect the stated semantics.  Writable
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								Iterators have an associated < em > set of value types< / em > .< / p > 
							 
						 
					
						
							
								
									
										
										
										
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								< table  border = "1"  class = "docutils" >  
						 
					
						
							
								
									
										
										
										
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								< tr > < th  class = "head"  colspan = "3" > Writable Iterator Requirements (in addition to Copy Constructible)< / th >  
						 
					
						
							
								
									
										
										
										
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								< / tr >  
						 
					
						
							
								
									
										
										
										
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								< tr > < th  class = "head" > Expression< / th >  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< th  class = "head" > Return Type< / th >  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								< th  class = "head" > Precondition< / th >  
						 
					
						
							
								
									
										
										
										
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								< tr > < td > < tt  class = "docutils literal" > < span  class = "pre" > *a< / span >  < span  class = "pre" > =< / span >  < span  class = "pre" > o< / span > < / tt > < / td >  
						 
					
						
							
								
									
										
										
										
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								< td >   < / td >  
						 
					
						
							
								
									
										
										
										
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								< td > pre: The type of < tt  class = "docutils literal" > < span  class = "pre" > o< / span > < / tt >  
						 
					
						
							
								
									
										
										
										
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								is in the set of
							 
						 
					
						
							
								
									
										
										
										
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								value types of < tt  class = "docutils literal" > < span  class = "pre" > X< / span > < / tt > < / td > 
							 
						 
					
						
							
								
									
										
										
										
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								< / tr >  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
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								< a  class = "reference external"  href = "WritableIterator.rst" > View document source< / a > . 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								Generated by < a  class = "reference external"  href = "http://docutils.sourceforge.net/" > Docutils< / a >  from < a  class = "reference external"  href = "http://docutils.sourceforge.net/rst.html" > reStructuredText< / a >  source.
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
								
							 
						 
					
						
							
								
									
										
										
										
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								< / div >  
						 
					
						
							
								
							 
							
								
							 
							
								 
							
							
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