adding support for quick pointer conversion (#38)

* adding support for quick pointer convertion

* function comment update

pointers.go

@@ -0,0 +1,22 @@
+package underscore
+
+// Convert values to pointers
+//
+// Instead of:
+// v := "value"
+// MyPointerVar = &v
+//
+// Or
+// v1 := "value1"
+// v2 := 100
+//
+//	obj := Obj{
+//		Field1: &v,
+//		Field2: &v2,
+//	}
+//
+// Use:
+// MyPointerVar = ToPointer("value")
+func ToPointer[T any](in T) *T {
+	return &in
+}

pointers_test.go

@@ -0,0 +1,45 @@
+package underscore_test
+
+import (
+	"reflect"
+	"testing"
+
+	u "github.com/rjNemo/underscore"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPointers(t *testing.T) {
+	variable := 123
+	var object struct{}
+
+	cases := []struct {
+		value    any
+		expected bool
+	}{
+		{
+			value:    u.ToPointer("myValue"),
+			expected: true,
+		},
+		{
+			value:    u.ToPointer(variable),
+			expected: true,
+		},
+		{
+			value:    &variable,
+			expected: true,
+		},
+		{
+			value:    nil,
+			expected: false,
+		},
+		{
+			value:    u.ToPointer(object),
+			expected: true,
+		},
+	}
+
+	for _, c := range cases {
+		got := (reflect.ValueOf(c.value).Kind() == reflect.Ptr)
+		assert.Equal(t, c.expected, got)
+	}
+}