Function itertools::cons_tuples 
source · pub fn cons_tuples<I, J>(iterable: I) -> ConsTuples<I, J> ⓘwhere
    I: Iterator<Item = J>,Expand description
Create an iterator that maps for example iterators of
((A, B), C) to (A, B, C).
pub fn cons_tuples<I, J>(iterable: I) -> ConsTuples<I, J> ⓘwhere
    I: Iterator<Item = J>,Create an iterator that maps for example iterators of
((A, B), C) to (A, B, C).