pub const TableAdapter = struct {
    pub const Hash = std.hash.Wyhash;

    pub fn hash(self: TableAdapter, a: Cache.Path) u32 {
        _ = self;
        const seed = switch (@typeInfo(@TypeOf(a.root_dir.handle.fd))) {
            .pointer => @intFromPtr(a.root_dir.handle.fd),
            .int => @as(u32, @bitCast(a.root_dir.handle.fd)),
            else => @compileError("unimplemented hash function"),
        };
        return @truncate(Hash.hash(seed, a.sub_path));
    }
    pub fn eql(self: TableAdapter, a: Cache.Path, b: Cache.Path, b_index: usize) bool {
        _ = self;
        _ = b_index;
        return a.eql(b);
    }
}