frame_support::traits

Struct NoStorageVersionSet

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pub struct NoStorageVersionSet;
Expand description

Special marker struct used when storage_version is not defined for a pallet.

If you (the reader) end up here, it probably means that you tried to compare GetStorageVersion::on_chain_storage_version against GetStorageVersion::in_code_storage_version. This basically means that the storage_version is missing from the pallet where the mentioned functions are being called, and needs to be defined.

Trait Implementations§

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impl Debug for NoStorageVersionSet

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for NoStorageVersionSet

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fn default() -> NoStorageVersionSet

Returns the “default value” for a type. Read more
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impl<T: GetStorageVersion<InCodeStorageVersion = NoStorageVersionSet> + PalletInfoAccess> StoreInCodeStorageVersion<T> for NoStorageVersionSet

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fn store_in_code_storage_version()

Write the in-code storage version on-chain.

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