kusttypes

Kusttypes is a taxonomy of data types used within the fictional Kust data-modeling framework. It provides a structured vocabulary for describing the shape and constraints of values in Kust schemas, enabling consistent validation, serialization, and evolution of data structures.

The core categories include primitive kusttypes (string, integer, float, boolean, and date/time), composite kusttypes (records or objects with named fields), collection kusttypes (arrays or lists, sets, and maps/dictionaries), and reference kusttypes that point to other kusttypes. Additional forms cover optional or nullable kusttypes and union or variant kusttypes that may hold values from different allowed types.

A kusttype is declared with a name and a definition, and schemas may reference other kusttypes to compose complex structures. Validation rules attach to kusttypes to enforce constraints such as length, value ranges, patterns, and required fields. Kusttypes support schema evolution through backward-compatible changes and explicit versioning of type definitions.

Origins of the term are tied to the Kust community's early efforts to standardize data schemas across tooling, including validators, serializers, and code generators. In practice, kusttypes serve as the foundational element of Kust schemas, shaping how data is described, processed, and validated.

See also: Kust language, Type systems, Data modeling.