OptionalcreatedOptionalinitialOptionalis(internal usage) Indicates that the value was created via a fallback. This is used when with data specified in the metadata when the storage entry is empty.
With metadata fallback values (available as defaults on most storage entries) any empty storage item should erturn the default. (This is the same as the implementation on the Bizinikiwi runtime)
Readonlyregistry
Name
Result
Description
A Result maps to the Rust Result type, that can either wrap a success or error value