2004-11-28 03:35:12 +00:00
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2004-11-28 03:35:12 +00:00
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< title > The MPL Reference Manual: Back Extensible Sequence</ title >
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< table class = "header" >< tr class = "header" >< td class = "header-group navigation-bar" >< span class = "navigation-group" >< a href = "./front-extensible-sequence.html" class = "navigation-link" > Prev</ a > < a href = "./associative-sequence.html" class = "navigation-link" > Next</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./front-extensible-sequence.html" class = "navigation-link" > Back</ a > < a href = "./associative-sequence.html" class = "navigation-link" > Along</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./concepts.html" class = "navigation-link" > Up</ a > < a href = "../refmanual.html" class = "navigation-link" > Home</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./refmanual_toc.html" class = "navigation-link" > Full TOC</ a ></ span ></ td >
< td class = "header-group page-location" >< a href = "../refmanual.html" class = "navigation-link" > Front Page</ a > / < a href = "./sequences.html" class = "navigation-link" > Sequences</ a > / < a href = "./concepts.html" class = "navigation-link" > Concepts</ a > / < a href = "./back-extensible-sequence.html" class = "navigation-link" > Back Extensible Sequence</ a ></ td >
</ tr ></ table >< div class = "header-separator" ></ div >
< div class = "section" id = "back-extensible-sequence" >
< h1 >< a class = "toc-backref" href = "./concepts.html#id329" name = "back-extensible-sequence" > Back Extensible Sequence</ a ></ h1 >
< div class = "section" id = "back-description" >
< h3 >< a class = "subsection-title" href = "#description" name = "description" > Description</ a ></ h3 >
< p > A < a class = "reference" href = "./back-extensible-sequence.html" > Back Extensible Sequence</ a > is an < a class = "reference" href = "./extensible-sequence.html" > Extensible Sequence</ a > that supports amortized constant
time insertion and removal operations at the end.</ p >
</ div >
< div class = "section" id = "back-refinement-of" >
< h3 >< a class = "subsection-title" href = "#refinement-of" name = "refinement-of" > Refinement of</ a ></ h3 >
< p >< a class = "reference" href = "./extensible-sequence.html" > Extensible Sequence</ a ></ p >
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< div class = "section" id = "back-expression-requirements" >
< h3 >< a class = "subsection-title" href = "#expression-requirements" name = "expression-requirements" > Expression requirements</ a ></ h3 >
< p > In addition to the requirements defined in < a class = "reference" href = "./extensible-sequence.html" > Extensible Sequence</ a > ,
for any < a class = "reference" href = "./back-extensible-sequence.html" > Back Extensible Sequence</ a > < tt class = "literal" >< span class = "pre" > s</ span ></ tt > the following must be met:</ p >
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< tr >< th > Expression</ th >
< th > Type</ th >
< th > Complexity</ th >
</ tr >
</ thead >
< tbody valign = "top" >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./push-back.html" class = "identifier" > push_back</ a > < s,x> ::type</ span ></ tt ></ td >
< td >< a class = "reference" href = "./back-extensible-sequence.html" > Back Extensible Sequence</ a ></ td >
< td > Amortized constant time</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./pop-back.html" class = "identifier" > pop_back</ a > < s> ::type</ span ></ tt ></ td >
< td >< a class = "reference" href = "./back-extensible-sequence.html" > Back Extensible Sequence</ a ></ td >
< td > Amortized constant time</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./back.html" class = "identifier" > back</ a > < s> ::type</ span ></ tt ></ td >
< td > Any type</ td >
< td > Amortized constant time</ td >
</ tr >
</ tbody >
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< div class = "section" id = "back-expression-semantics" >
< h3 >< a class = "subsection-title" href = "#expression-semantics" name = "expression-semantics" > Expression semantics</ a ></ h3 >
< p > The semantics of an expression are defined only
where they differ from, or are not defined in < a class = "reference" href = "./extensible-sequence.html" > Extensible Sequence</ a > .</ p >
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< colgroup >
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< col width = "66%" />
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< thead valign = "bottom" >
< tr >< th > Expression</ th >
< th > Semantics</ th >
</ tr >
</ thead >
< tbody valign = "top" >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./push-back.html" class = "identifier" > push_back</ a > < s,x> ::type</ span ></ tt ></ td >
< td > Equivalent to < tt class = "literal" >< span class = "pre" >< a href = "./insert.html" class = "identifier" > insert</ a > < s,< a href = "./end.html" class = "identifier" > end</ a > < s> ::type,x> ::type</ span ></ tt > ;
see < a class = "refentry reference" href = "./push-back.html" >< tt class = "refentry literal" >< span class = "pre" > push_back</ span ></ tt ></ a > .</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./pop-back.html" class = "identifier" > pop_back</ a > < v> ::type</ span ></ tt ></ td >
< td > Equivalent to < tt class = "literal" >< span class = "pre" >< a href = "./erase.html" class = "identifier" > erase</ a > < s,< a href = "./end.html" class = "identifier" > end</ a > < s> ::type> ::type</ span ></ tt > ;
see < a class = "refentry reference" href = "./pop-back.html" >< tt class = "refentry literal" >< span class = "pre" > pop_back</ span ></ tt ></ a > .</ td >
</ tr >
< tr >< td >< tt class = "literal" >< span class = "pre" >< a href = "./back.html" class = "identifier" > back</ a > < s> ::type</ span ></ tt ></ td >
< td > The last element in the sequence; see < a class = "refentry reference" href = "./back.html" >< tt class = "refentry literal" >< span class = "pre" > back</ span ></ tt ></ a > .</ td >
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< div class = "section" id = "back-models" >
< h3 >< a class = "subsection-title" href = "#models" name = "models" > Models</ a ></ h3 >
< ul class = "simple" >
< li >< a class = "refentry reference" href = "./vector.html" >< tt class = "refentry literal" >< span class = "pre" > vector</ span ></ tt ></ a ></ li >
< li >< a class = "refentry reference" href = "./deque.html" >< tt class = "refentry literal" >< span class = "pre" > deque</ span ></ tt ></ a ></ li >
</ ul >
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< div class = "section" id = "back-see-also" >
< h3 >< a class = "subsection-title" href = "#see-also" name = "see-also" > See also</ a ></ h3 >
< p >< a class = "reference" href = "./sequences.html" > Sequences</ a > , < a class = "reference" href = "./extensible-sequence.html" > Extensible Sequence</ a > , < a class = "reference" href = "./front-extensible-sequence.html" > Front Extensible Sequence</ a > , < a class = "refentry reference" href = "./push-back.html" >< tt class = "refentry literal" >< span class = "pre" > push_back</ span ></ tt ></ a > , < a class = "refentry reference" href = "./pop-back.html" >< tt class = "refentry literal" >< span class = "pre" > pop_back</ span ></ tt ></ a > , < a class = "refentry reference" href = "./back.html" >< tt class = "refentry literal" >< span class = "pre" > back</ span ></ tt ></ a ></ p >
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< table class = "footer" >< tr class = "footer" >< td class = "header-group navigation-bar" >< span class = "navigation-group" >< a href = "./front-extensible-sequence.html" class = "navigation-link" > Prev</ a > < a href = "./associative-sequence.html" class = "navigation-link" > Next</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./front-extensible-sequence.html" class = "navigation-link" > Back</ a > < a href = "./associative-sequence.html" class = "navigation-link" > Along</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./concepts.html" class = "navigation-link" > Up</ a > < a href = "../refmanual.html" class = "navigation-link" > Home</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./refmanual_toc.html" class = "navigation-link" > Full TOC</ a ></ span ></ td >
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