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Diffstat (limited to 'mew.svnwiki')
| -rw-r--r-- | mew.svnwiki | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/mew.svnwiki b/mew.svnwiki index 1b8c0ae..3d30816 100644 --- a/mew.svnwiki +++ b/mew.svnwiki @@ -503,6 +503,12 @@ Two elements are considered equal if their image under {{<f>}} is {{equal?}}. Returns an accumulator that saves the {{<n>}}-th element, or an void value else. +<procedure>(inject-accumulator <f> [<init>])</procedure> + +Returns an accumulator that xfolds {{<f>}} over the elements. +If given, folding starts with {{<init>}}, else with the first element +received. + <procedure>(generator-xfold <f> <seed> <generators>...)</procedure> Like {{generator-fold}}, but {{<f>}} always takes the accumulator as |