when<TResult extends Object?> method

  1. @optionalTypeArgs
TResult when<TResult extends Object?>({
  1. required TResult splToken(
    1. SplTokenProgramAccountData parsed
    ),
  2. required TResult token2022(
    1. SplTokenProgramAccountData parsed
    ),
  3. required TResult stake(
    1. StakeProgramAccountData parsed
    ),
  4. required TResult unsupported(
    1. Map<String, dynamic> parsed
    ),
})

A switch-like method, using callbacks.

As opposed to map, this offers destructuring. It is equivalent to doing:

switch (sealedClass) {
  case Subclass(:final field):
    return ...;
  case Subclass2(:final field2):
    return ...;
}

Implementation

@optionalTypeArgs TResult when<TResult extends Object?>({required TResult Function( SplTokenProgramAccountData parsed)  splToken,required TResult Function( SplTokenProgramAccountData parsed)  token2022,required TResult Function( StakeProgramAccountData parsed)  stake,required TResult Function( Map<String, dynamic> parsed)  unsupported,}) {final _that = this;
switch (_that) {
case ParsedSplTokenProgramAccountData():
return splToken(_that.parsed);case ParsedSplToken2022ProgramAccountData():
return token2022(_that.parsed);case ParsedStakeProgramAccountData():
return stake(_that.parsed);case UnsupportedProgramAccountData():
return unsupported(_that.parsed);}
}