map<TResult extends Object?> method

  1. @optionalTypeArgs
TResult map<TResult extends Object?>({
  1. required TResult transfer(
    1. ParsedSystemTransferInstruction value
    ),
  2. required TResult transferChecked(
    1. ParsedSystemTransferCheckedInstruction value
    ),
  3. required TResult unsupported(
    1. ParsedSystemUnsupportedInstruction 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( ParsedSystemTransferInstruction value)  transfer,required TResult Function( ParsedSystemTransferCheckedInstruction value)  transferChecked,required TResult Function( ParsedSystemUnsupportedInstruction value)  unsupported,}){
final _that = this;
switch (_that) {
case ParsedSystemTransferInstruction():
return transfer(_that);case ParsedSystemTransferCheckedInstruction():
return transferChecked(_that);case ParsedSystemUnsupportedInstruction():
return unsupported(_that);}
}