// Sort a slice of structs with first class functions.
type Album struct {
Title string
Year int
}
albums := []Album{
{"Born to Run", 1975},
{"WIESS", 1973},
{"Darkness", 1978},
{"Greetings", 1973},
}
less := func(a, b Album) bool { return a.Year < b.Year },
sorted := QuickSort(less, albums).([]Album)