Add uniq

uniq/main.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+	"fmt"
+	"math/rand"
+	"time"
+)
+
+func uniq[T comparable](a []T) []T {
+	u := make([]T, 0, len(a))
+	m := make(map[T]bool)
+	for _, v := range a {
+		if _, ok := m[v]; !ok {
+			m[v] = true
+			u = append(u, v)
+		}
+	}
+	return u
+}
+
+func main() {
+	rand.Seed(time.Now().UnixNano())
+
+	fmt.Println(uniq([]int{4, 3, 2, 3, 1, 5, 1}))
+}