fold
fold(f,x0,{x1,...,xn})
-- computes
f(...f(f(x0,x1),x2)...)}
.
fold({xn,...,x1},x0,f)
-- computes
f(...f(x2,f(x1,x0))...)}
.
fold(f,{x0,x1,...,xn})
-- computes
f(...f(f(x0,x1),x2)...)}
.
fold({xn,...,x1,x0},f)
-- computes
f(...f(x2,f(x1,x0))...)}
.
i1 : fold(toList, {a,b,c,d,e})
o1 = {{{{a, b}, c}, d}, e}
o1 : List
See also
accumulate
.
