@implicitNotFound("\nCannot find an implicit value for Schema[${A}].\n If you are trying to resolve a Schema for Option, note that there are no implicit instances for it because of the difference between missing fields, which can be absent from a record but cannot be Nul, and nullable fields, which can be NULL but have to be present.\nPlease use `field.opt(_, _)` or `field.apply(_, _)(Schema.nullable)` to tell `dynosaur` which semantics you want.\n") sealed trait Schema[A]
- Companion
- object