diff --git a/pkg/arrayx/linq.go b/pkg/arrayx/linq.go
index e4c9de2..2d3e8a7 100644
--- a/pkg/arrayx/linq.go
+++ b/pkg/arrayx/linq.go
@@ -6,3 +6,11 @@ func Last[T any](l []T) T {
 	}
 	return l[len(l)-1]
 }
+
+func Map[T any, K any](from []T, tx func(T) K) []K {
+	var v []K
+	for _, t := range from {
+		v = append(v, tx(t))
+	}
+	return v
+}