feat: Add album scanner

1 files changed, 25 insertions, 0 deletions

diff --git a/pkg/list/list.go b/pkg/list/list.go
index ff259f7..dfc3fb7 100644
--- a/pkg/list/list.go
+++ b/pkg/list/list.go
@@ -7,3 +7,28 @@ func Map[V any, T any](source []V, fun func(V) T) []T {
 	}
 	return result
 }
+
+type Pair[T, U any] struct {
+	Left  T
+	Right U
+}
+
+func Zip[T, U any](left []T, right []U) []Pair[T, U] {
+	// pick the array with the smaller length
+	l := len(left)
+	if len(left) > len(right) {
+		l = len(right)
+	}
+
+	pairs := make([]Pair[T, U], len(left))
+	for i := 0; i < l; i++ {
+		pairs[i] = Pair[T, U]{left[i], right[i]}
+	}
+	return pairs
+}
+
+func Revert[T any](s []T) {
+	for i, j := 0, len(s)-1; i < j; i, j = i+1, j-1 {
+		s[i], s[j] = s[j], s[i]
+	}
+}