I have a function say $f$ and some initial point $x$ and pairs of iterators $\{\{a_1,b_1\},\{a_2,b_2\},...\}$
I want to foldlist as follows: $\{x,f[x,a_1,b_1],f[f[x,a_1,b_1],a_2,b_2],...\}$
can somebody suggest a builtin function to do this or a fast algorithm?