when<TResult extends Object?> method
TResult
when<TResult extends Object?>()
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(@JsonKey(name: 'crv') String crv, @JsonKey(name: 'ext') bool ext, @JsonKey(name: 'key_ops') List<String> keyOps, @JsonKey(name: 'kty') String kty, @JsonKey(name: 'x') String x, @JsonKey(name: 'y') String y) $default,) {final _that = this;
switch (_that) {
case _PublicKey():
return $default(_that.crv,_that.ext,_that.keyOps,_that.kty,_that.x,_that.y);}
}