# Crate sdlm_core
Rust in-Memory model of the Simple Domain Modeling Language (SDML).
[](https://crates.io/crates/sdml_core)
[](https://docs.rs/sdml_core)
## Changes
**Version 0.2.1**
* Feature: Remove member groups.
**Version 0.2.0**
* Feature: Update to latest grammar.
* Remove Value Variant numeric values
* Update formal constraints
* Add type classes
**Version 0.1.11**
* Feature: Update `Cardinality::to_uml_string` to output constraints.
* Fix: Missing features in mapping types and values.
**Version 0.1.10**
* Feature: Added support for `mapping_type` and `mapping_value` rules.
**Version 0.1.9**
* Style: Run Cargo format and clippy
**Version 0.1.8**
* Feature: Made the name for constraints required, not `Option`.
* Style: Remove most macros from the model.
**Version 0.1.7**
* Fix: Minor fixes
**Version 0.1.6**
* Build: Updated parser with grammar changes in tree-sitter-sdml v0.1.29
**Version 0.1.6**
* Build: Updated parser with grammar changes in tree-sitter-sdml v0.1.26
**Version 0.1.5**
* Created a `stdlib` module and moved all the SDML and relevant RDF files into it.
* Updated model to the same level as `tree-sitter-sdml` version `0.1.21`.
* Updated `tree-sitter-sdml` dependency with updated constraints.
* Renamed `TypeDefinition` to `Definition` to address the fact that property definitions aren't types.
* Renamed `EnumVariant` to `ValueVariant` to align with `TypeVariant` on unions. This required change to walker methods.
**Version 0.1.4**
Previously part of a single crate [sdml](https://crates.io/crates/sdml).