nullable method
T?
nullable(
- A? a,
- B? b,
- C? c,
- D? d,
- E? e,
Takes nullable versions of arguments and runs the computation if all of them
are not null
.
Implementation
T? nullable(A? a, B? b, C? c, D? d, E? e) =>
a != null && b != null && c != null && d != null && e != null
? this(a, b, c, d, e)
: null;