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add sum_list/3

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Vitor Santos Costa
2008-11-03 16:00:22 +00:00
parent 259313b603
commit 8938666bf5
2 changed files with 10 additions and 0 deletions
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docs/yap.tex
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@@ -8716,6 +8716,12 @@ Holds when @code{append(_,Suffix,List)} holds.
@cnindex sum_list/2
True when @var{Numbers} is a list of numbers, and @var{Total} is their sum.
@item sum_list(?@var{Numbers}, +@var{SoFar}, ?@var{Total})
@findex sum_list/3
@syindex sum_list/3
@cnindex sum_list/3
True when @var{Numbers} is a list of numbers, and @var{Total} is the sum of their total plus @var{SoFar}.
@item sumlist(?@var{Numbers}, ?@var{Total})
@findex sumlist/2
@syindex sumlist/2