https://github.com/kubiklabs/wasmkit/blob/master/packages/wasmkit/sample-project/contracts/counter/src/contract.rs#L65 ``` let mut constant = ... ``` `db` or `storage` is better than `constant`
https://github.com/kubiklabs/wasmkit/blob/master/packages/wasmkit/sample-project/contracts/counter/src/contract.rs#L65
dborstorageis better thanconstant