ptr.ToSlice

ptr/to_slice.go

@@ -0,0 +1,10 @@
+package ptr
+
+// ToSlice returns unary slices of optional value, otherwise the empty slice.
+func ToSlice[T any](t *T) []T {
+	if t == nil {
+		return nil
+	}
+
+	return []T{*t}
+}

ptr/to_slice_test.go

@@ -0,0 +1,14 @@
+package ptr_test
+
+import (
+	"testing"
+
+	"github.com/mikhalytch/eggs/ptr"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestToSlice(t *testing.T) {
+	require.Empty(t, ptr.ToSlice[int](nil))
+	require.Equal(t, []string{"abc"}, ptr.ToSlice[string](ptr.Of("abc")))
+}