whenOrNull<TResult extends Object?> method
TResult?
whenOrNull<TResult extends Object?>()
A variant of when
that fallback to returning null
It is equivalent to doing:
switch (sealedClass) {
case Subclass(:final field):
return ...;
case _:
return null;
}
Implementation
@optionalTypeArgs TResult? whenOrNull<TResult extends Object?>(TResult? Function( String message, String signature, Cacao? cacao, String? clientId)? $default,) {final _that = this;
switch (_that) {
case _SIWEVerifyMessageArgs() when $default != null:
return $default(_that.message,_that.signature,_that.cacao,_that.clientId);case _:
return null;
}
}