pub fn with_storage_layer<T, E, F>(f: F) -> Result<T, E>
where E: From<DispatchError>, F: FnOnce() -> Result<T, E>,
Expand description

Execute the supplied function, adding a new storage layer.

This is the same as with_transaction, but assuming that any function returning an Err should rollback, and any function returning Ok should commit. This provides a cleaner API to the developer who wants this behavior.