FAccordionController constructor
Creates a FAccordionController.
min
and max
define the minimum and maximum number of expanded items allowed.
Contract:
min
and max
must be: 0 <= min <= max
.
Implementation
FAccordionController({int min = 0, int? max})
: _controllers = {},
_expanded = {},
_min = min,
_max = max,
assert(debugCheckInclusiveRange<FAccordionController>(min, max));