Enum ErrorKind 

#[non_exhaustive]
pub enum ErrorKind {
    Store(Box<dyn StdError + Send + Sync>),
    Serde(Box<dyn StdError + Send + Sync>),
    Message(Box<str>),
}

Represents all the ways a SessionStore method can fail.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Store(Box<dyn StdError + Send + Sync>)

Error occurred while interacting with the underlying storage mechanism.

Serde(Box<dyn StdError + Send + Sync>)

Error occurred while serializing/deserializing.

Message(Box<str>)

Catchall error message