mapOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? mapOrNull<TResult extends Object?>(
  1. TResult? $default(
    1. _CustomerSheetInitParamsDeprecated value
    )?, {
  2. TResult? adapter(
    1. _CustomerSheetInitParamsAdapter value
    )?,
  3. TResult? session(
    1. _CustomerSheetInitParamsSession 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( _CustomerSheetInitParamsDeprecated value)?  $default,{TResult? Function( _CustomerSheetInitParamsAdapter value)?  adapter,TResult? Function( _CustomerSheetInitParamsSession value)?  session,}){
final _that = this;
switch (_that) {
case _CustomerSheetInitParamsDeprecated() when $default != null:
return $default(_that);case _CustomerSheetInitParamsAdapter() when adapter != null:
return adapter(_that);case _CustomerSheetInitParamsSession() when session != null:
return session(_that);case _:
  return null;

}
}