HigherFn6<R, T0, T1, T2, T3, T4, T5> typedef
HigherFn6<R, T0, T1, T2, T3, T4, T5> =
R Function(T5) Function(T4) Function(T3) Function(T2) Function(T1) Function(T0)
Implementation
typedef HigherFn6<R, T0, T1, T2, T3, T4, T5>
= R Function(T5) Function(T4) Function(T3) Function(T2) Function(T1)
Function(T0);