> For the complete documentation index, see [llms.txt](https://osl.mistium.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://osl.mistium.com/language-guide.md).

# Language guide

- [Programs and variables](https://osl.mistium.com/language-guide/programs-and-variables.md)
- [Types](https://osl.mistium.com/language-guide/types.md)
- [Arrays and objects](https://osl.mistium.com/language-guide/collections.md)
- [Control flow](https://osl.mistium.com/language-guide/control-flow.md)
- [Functions](https://osl.mistium.com/language-guide/functions.md)
- [Structs, enums, and classes](https://osl.mistium.com/language-guide/nominal-types.md)
- [Operators](https://osl.mistium.com/language-guide/operators.md)
- [Errors and results](https://osl.mistium.com/language-guide/errors.md)
- [Imports and project structure](https://osl.mistium.com/language-guide/imports-and-projects.md)