On Saturday, 10 November 2018 at 19:42:47 UTC, Václav Kozák wrote:
I'm making a Rest API with vibe.d and I have a struct User.
Sometimes I need to return only a few of the fields. So for
example: return User(1, null, "John", null, null, ...);
If I do this, an error occurs: cannot implicitly convert
expression null of type typeof(null) to ...
Thanks.
You can use Optional like drug said, or you can use the @optional
attribute [1].
@optional will leave the field in its .init state, whereas with
Optional its easier to detect the null state.
[1] http://vibed.org/api/vibe.data.serialization/optional
