writable
inline fun <T : StateRecord, R> T.writable(state: StateObject, snapshot: Snapshot, block: T.() -> R): R
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Call block with a writable state record for snapshot of the given record. It is assumed that this is called for the first state record in a state object. If the snapshot is read-only calling this will throw.
inline fun <T : StateRecord, R> T.writable(state: StateObject, block: T.() -> R): R
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Call block with a writable state record for the given record. It is assumed that this is called for the first state record in a state object. A record is writable if it was created in the current mutable snapshot.