pub enum Error {
    ExtensionAlreadyRegistered,
    ExtensionsAreNotSupported,
    ExtensionIsNotRegistered(TypeId),
    StorageUpdateFailed(&'static str),
}
Expand description

Externalities error.

Variants

ExtensionAlreadyRegistered

Same extension cannot be registered twice.

ExtensionsAreNotSupported

Extensions are not supported.

ExtensionIsNotRegistered(TypeId)

Extension TypeId is not registered.

StorageUpdateFailed(&'static str)

Failed to update storage,

Trait Implementations

Formats the value using the given formatter. Read more

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.