map<TResult extends Object?> method

  1. @optionalTypeArgs
TResult map<TResult extends Object?>({
  1. required TResult error(
    1. WsErrorMsg value
    ),
  2. required TResult block(
    1. WsMsgBlockClient value
    ),
  3. required TResult tx(
    1. WsMsgTxClient 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( WsErrorMsg value)  error,required TResult Function( WsMsgBlockClient value)  block,required TResult Function( WsMsgTxClient value)  tx,}){
final _that = this;
switch (_that) {
case WsErrorMsg():
return error(_that);case WsMsgBlockClient():
return block(_that);case WsMsgTxClient():
return tx(_that);}
}