D, S> class
Maps a custom dart object of type
D into a primitive type
by the sqlite backend.
BuildColumn.map for details.
Empty constant constructor so that subclasses can have a constant
S? fromDb) → D?
- Maps a column from the database back to Dart.
D? value) → S?
- Map a value from an object in Dart into something that will be understood by the database.
Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
) → String
A string representation of this object. [...]