Macro ambassador_impl_TryCacheStore

macro_rules! ambassador_impl_TryCacheStore {
    (body_struct(< >, $ty:ty, $field_ident:tt)) => { ... };
    (
        body_struct(< >, $ty:ty, ($($ident_owned:tt)*), ($($ident_ref:tt)*),
        ($($ident_ref_mut:tt)*))
    ) => { ... };
    (check_non_empty($err:literal, $s:ident . $($t:tt)+)) => { ... };
    (check_non_empty($err:literal, $s:ident .)) => { ... };
    (body_enum(< >, $ty:ty, ($($other_tys:ty),*), ($($variants:path),+))) => { ... };
    (body_self(< >)) => { ... };
    (use_assoc_ty_bounds) => { ... };
}

A macro to be used by [ambassador::Delegate] to delegate TryCacheStore