when<TResult extends Object?> method

  1. @optionalTypeArgs
TResult when<TResult extends Object?>(
  1. TResult $default(
    1. String message,
    2. String signature,
    3. Cacao? cacao,
    4. String? clientId,
    )
)

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?>(TResult Function( String message,  String signature,  Cacao? cacao,  String? clientId)  $default,) {final _that = this;
switch (_that) {
case _SIWEVerifyMessageArgs():
return $default(_that.message,_that.signature,_that.cacao,_that.clientId);}
}