> Aztec.nr API reference, v6.0.0 (mainnet and testnet). Index: https://docs.aztec.network/aztec-nr-api/v6.0.0/llms.txt

# Module collections

Module: `std::collections`

## Modules

- [bounded_vec](/aztec-nr-api/v6.0.0/std/collections/bounded_vec/index.md)
- [umap](/aztec-nr-api/v6.0.0/std/collections/umap/index.md)