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 hash, Address? src, Address? dst, @amountJsonConverter BigInt value, bool bounce, bool bounced, String? body, String? bodyHash)? $default,) {final _that = this;
switch (_that) {
case _Message() when $default != null:
return $default(_that.hash,_that.src,_that.dst,_that.value,_that.bounce,_that.bounced,_that.body,_that.bodyHash);case _:
return null;
}
}