func Load(ls *persist.LoadSaver) core.Matcher {
le := ls.LoadSmallInt()
if le == 0 {
return nil
}
riffs := make(map[riff.FourCC][]int)
for i := 0; i < le; i++ {
k := riff.FourCC(ls.LoadFourCC())
r := make([]int, ls.LoadSmallInt())
for j := range r {
r[j] = ls.LoadSmallInt()
}
riffs[k] = r
}
return &Matcher{
riffs: riffs,
priorities: priority.Load(ls),
}
}