mapOrNull<TResult extends Object?>  method 
      
  
TResult?
mapOrNull<TResult extends Object?>({  
    
- TResult? bytes(- BytesModel value
 
- TResult? kb(- KbModel value
 
- TResult? mb(- MbModel value
 
- TResult? gb(- GbModel value
 
- TResult? tb(- TbModel value
 
A variant of map that fallback to returning null.
It is equivalent to doing:
switch (sealedClass) {
  case final Subclass value:
    return ...;
  case _:
    return null;
}
Implementation
@optionalTypeArgs
TResult? mapOrNull<TResult extends Object?>({
  TResult? Function(BytesModel value)? bytes,
  TResult? Function(KbModel value)? kb,
  TResult? Function(MbModel value)? mb,
  TResult? Function(GbModel value)? gb,
  TResult? Function(TbModel value)? tb,
}) {
  final _that = this;
  switch (_that) {
    case BytesModel() when bytes != null:
      return bytes(_that);
    case KbModel() when kb != null:
      return kb(_that);
    case MbModel() when mb != null:
      return mb(_that);
    case GbModel() when gb != null:
      return gb(_that);
    case TbModel() when tb != null:
      return tb(_that);
    case _:
      return null;
  }
}