Panics When Shutdown inside new funcs

README.md

@@ -22,7 +22,7 @@
 ## Installtion
 
 ```bash
-go get github.com/QuangTung97/svloc@v0.4.0
+go get github.com/QuangTung97/svloc@v0.5.0
 ```
 
 ## Examples

svloc.go

@@ -485,6 +485,10 @@ func (u *universeData) cloneShutdownFuncList() []func() {
 // This function must only be called outside the 'new' functions.
 // It will panic if called inside
 func (u *Universe) Shutdown() {
+	if u.prev != nil {
+		panic("svloc: can NOT call Shutdown inside new functions")
+	}
+
 	funcList := u.data.cloneShutdownFuncList()
 
 	for i := len(funcList) - 1; i >= 0; i-- {

svloc_test.go

@@ -1031,3 +1031,16 @@ func TestUniverse_getPrintLocations(t *testing.T) {
 func assertSuffixEqual(t *testing.T, suffix string, s string) {
 	assert.Equal(t, suffix, s[len(s)-len(suffix):])
 }
+
+func TestLocator_Do_Shutdown__Panics(t *testing.T) {
+	repoLoc := Register[Repo](func(unv *Universe) Repo {
+		unv.Shutdown()
+		return &UserRepo{}
+	})
+
+	unv := NewUniverse()
+
+	assert.PanicsWithValue(t, "svloc: can NOT call Shutdown inside new functions", func() {
+		repoLoc.Get(unv)
+	})
+}