Macro kernel::impl_list_item

macro_rules! impl_list_item {
    (
        $(impl$({$($generics:tt)*})? ListItem<$num:tt> for $t:ty {
            using ListLinks;
        })*
    ) => { ... };
    (
        $(impl$({$($generics:tt)*})? ListItem<$num:tt> for $t:ty {
            using ListLinksSelfPtr;
        })*
    ) => { ... };
}

Implements the ListItem trait for the given type.

Requires that the type implements HasListLinks. Use the impl_has_list_links! macro to implement that trait.