Trait frame_support::traits::Instance

source ·
pub trait Instance: 'static {
    const PREFIX: &'static str;
    const INDEX: u8;
}
Expand description

An instance of a pallet in the storage.

It is required that these instances are unique, to support multiple instances per pallet in the same runtime!

E.g. for module MyModule default instance will have prefix “MyModule” and other instances “InstanceNMyModule”.

Required Associated Constants§

source

const PREFIX: &'static str

Unique module prefix. E.g. “InstanceNMyModule” or “MyModule”

source

const INDEX: u8

Unique numerical identifier for an instance.

Object Safety§

This trait is not object safe.

Implementations on Foreign Types§

source§

impl Instance for ()

source§

const PREFIX: &'static str = ""

source§

const INDEX: u8 = 0u8

Implementors§