> For the complete documentation index, see [llms.txt](https://contracts.synapseprotocol.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://contracts.synapseprotocol.com/elin/contracts-4.5.0/utils/structs.md).

# structs

- [EnumerableSet](https://contracts.synapseprotocol.com/elin/contracts-4.5.0/utils/structs/enumerableset.md)