Introduction | Example | Objects | Specification | Scalar Elements | Vector Elements | Object Elements | Required and Optional Fields | Converting a Single Object

The register_user() Function | Step 1: Handling a Vector with to_*() | Step 2: Simple Scalar Coercion with to_*_scalar() | Step 3: Complex Validation with stabilize_*() | Conclusion

Scalars | Vectors | Empty lists | Homogeneous R lists of scalars | Homogeneous JSON objects of scalars | Varying | Object | Data Frames | Object of objects | Column-major format