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Diffstat (limited to 'mew.svnwiki')
| -rw-r--r-- | mew.svnwiki | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/mew.svnwiki b/mew.svnwiki index 11a2669..db141f4 100644 --- a/mew.svnwiki +++ b/mew.svnwiki @@ -492,6 +492,11 @@ Returns an accumulator that returns a list of unique elements. Two elements are considered equal if their image under {{<f>}} is {{equal?}}. {{<f>}} defaults to the identity function. +<procedure>(nth-accumulator <n>)</procedure> + +Returns an accumulator that saves the {{<n>}}-th element, or +an void value else. + <procedure>(generator-xfold <f> <seed> <generators>...)</procedure> Like {{generator-fold}}, but {{<f>}} always takes the accumulator as |