pub fn load_multi_args_custom_loader<AA, L, N>(
    loader: L,
    arg_names: N::ArgNames
) -> Nwhere
    AA: EndpointArgumentApi + ManagedTypeApi + ErrorApi,
    L: TopDecodeMultiInput,
    N: ArgNestedTuple<AA>,
Expand description

Currently used for the callback closure. No distinction there for single values.