diff --git a/algorithm.go b/algorithm.go
new file mode 100644
index 0000000..81a1c33
--- /dev/null
+++ b/algorithm.go
@@ -0,0 +1,29 @@
+package q5
+
+import (
+	"sort"
+)
+
+type sortImpl[T any] struct {
+	data []*T
+	lessCb func(*T, *T) bool
+}
+
+func (this *sortImpl[T]) Len() int {
+	return len(this.data)
+}
+
+func (this *sortImpl[T]) Swap(i int, j int) {
+	this.data[i], this.data[j] = this.data[j], this.data[i]
+}
+
+func (this *sortImpl[T]) Less(i int, j int) bool {
+	return this.lessCb(this.data[i], this.data[j])
+}
+
+func Sort[T any](data []*T, lessCb func(*T, *T) bool) {
+	impl := new(sortImpl[T])
+	impl.data = data
+	impl.lessCb = lessCb
+	sort.Sort(impl)
+}