diff general/cellutils/cfoldr.m @ 13:03694e5c8365

Reorganised some high order list functions to correct class-based method dispatch; fixed some docs.

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/general/cellutils/cfoldr.m	Wed Jan 16 12:12:34 2013 +0000
@@ -0,0 +1,13 @@
+function X=foldr(fn,e,args)
+% foldr - Fold from the right for cell arrays
+%
+% This function applies an operator to a list of arguments,
+% starting from the right, eg
+% elements, eg foldr(@plus,0,{1,2,3,4}) = (1+(2+(3+(4+0)))).
+%
+% foldr :: 
+%    (Y,X->X)	~'associative binary operator',
+%    Y         ~'initial element',
+%    {[N]->Y} ~'list (cell array) of arguments'
+% -> Y.
+X=e; for i=length(args):-1:1, X=fn(args{i},X); end