Function frame_support::storage::with_transaction[][src]

pub fn with_transaction<R>(f: impl FnOnce() -> TransactionOutcome<R>) -> R
Expand description

Execute the supplied function in a new storage transaction.

All changes to storage performed by the supplied function are discarded if the returned outcome is TransactionOutcome::Rollback.

Transactions can be nested to any depth. Commits happen to the parent transaction.