| Portability | unknown |
|---|---|
| Stability | experimental |
| Maintainer | ex8k.hibino@gmail.com |
| Safe Haskell | None |
Database.Relational.Query.Scalar
Contents
Description
This module defines type classes and templates for scalar queries.
- class PersistableWidth ct => ScalarDegree ct
- defineScalarDegree :: TypeQ -> Q [Dec]
Single degree constraint
class PersistableWidth ct => ScalarDegree ct Source
Constraint which represents scalar degree.
Instances
| ScalarDegree ct => ScalarDegree (Maybe ct) |
defineScalarDegree :: TypeQ -> Q [Dec]Source
ScalarDegree instance templates.