MatchArms

type MatchArms<Defs extends readonly AnyCustomId[], Ret> = {
    [Def in Defs[number] as Def["prefix"]]: (
        params: DecodedParams<Def["shape"]>
    ) => Promisable<Ret>;
};

type MatchArms<Defs extends readonly AnyCustomId[], Ret> = {
    [Def in Defs[number] as Def["prefix"]]: (
        params: DecodedParams<Def["shape"]>
    ) => Promisable<Ret>;
};