feat: returns a pointer to the provided value use template function.

trans/to.go

@@ -0,0 +1,18 @@
+//go:build go1.18
+// +build go1.18
+
+package trans
+
+// Ptr returns a pointer to the provided value.
+func Ptr[T any](v T) *T {
+	return &v
+}
+
+// SliceOfPtrs returns a slice of *T from the specified values.
+func SliceOfPtrs[T any](vv ...T) []*T {
+	slc := make([]*T, len(vv))
+	for i := range vv {
+		slc[i] = Ptr(vv[i])
+	}
+	return slc
+}

trans/to_test.go

@@ -0,0 +1,30 @@
+//go:build go1.18
+// +build go1.18
+
+package trans
+
+import "testing"
+
+func TestPtr(t *testing.T) {
+	b := true
+	pb := Ptr(b)
+	if pb == nil {
+		t.Fatal("unexpected nil conversion")
+	}
+	if *pb != b {
+		t.Fatalf("got %v, want %v", *pb, b)
+	}
+}
+
+func TestSliceOfPtrs(t *testing.T) {
+	arr := SliceOfPtrs[int]()
+	if len(arr) != 0 {
+		t.Fatal("expected zero length")
+	}
+	arr = SliceOfPtrs(1, 2, 3, 4, 5)
+	for i, v := range arr {
+		if *v != i+1 {
+			t.Fatal("values don't match")
+		}
+	}
+}