Function multizip::zip7

pub fn zip7<IA, IB, IC, ID, IE, IF, IG>(
    ia: IA, 
    ib: IB, 
    ic: IC, 
    id: ID, 
    ie: IE, 
    iff: IF, 
    ig: IG
) -> Zip7<IA::IntoIter, IB::IntoIter, IC::IntoIter, ID::IntoIter, IE::IntoIter, IF::IntoIter, IG::IntoIter> where
    IA: IntoIterator,
    IB: IntoIterator,
    IC: IntoIterator,
    ID: IntoIterator,
    IE: IntoIterator,
    IF: IntoIterator,
    IG: IntoIterator,