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Collections · hard

21. sui::table and sui::bag

Scalable heterogeneous on-chain collections.

1 min read2 questionsup to 50 XPtopic 21/25

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`Table<K, V>` is a homogeneous key-value map built on dynamic fields. `Bag` is a heterogeneous collection that can hold values of different types under different keys without type constraints.

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Check your understanding

1. How does sui::table differ from a standard Move vector?
Table stores elements as individual dynamic fields, scaling to millions of entries without loading all into memoryVectors are largerTables are read-onlyVectors are stored off-chain
2. What collection allows storing values of different types in the same container?
sui::bagsui::tablevectorstd::string

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