Derive Macro concordium_std::SchemaType

#[derive(SchemaType)]
{
    // Attributes available to this derive:
    #[size_length]
    #[map_size_length]
    #[set_size_length]
    #[string_size_length]
}

Derive the SchemaType trait for a type. If the feature build-schema is not enabled this is a no-op, i.e., it does not produce any code.