map<TResult extends Object?> method

  1. @optionalTypeArgs
TResult map<TResult extends Object?>({
  1. required TResult deposit(
    1. QuoteStepDeposit value
    ),
  2. required TResult transaction(
    1. QuoteStepTransaction value
    ),
})

A switch-like method, using callbacks.

Callbacks receives the raw object, upcasted. It is equivalent to doing:

switch (sealedClass) {
  case final Subclass value:
    return ...;
  case final Subclass2 value:
    return ...;
}

Implementation

@optionalTypeArgs TResult map<TResult extends Object?>({required TResult Function( QuoteStepDeposit value)  deposit,required TResult Function( QuoteStepTransaction value)  transaction,}){
final _that = this;
switch (_that) {
case QuoteStepDeposit():
return deposit(_that);case QuoteStepTransaction():
return transaction(_that);}
}