adding safe dereferencing helper

projectdiscovery · May 5, 2023 · 852aa89 · 852aa89
1 parent f4baa90
commit 852aa89
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/ptr/main.go b/ptr/main.go
@@ -0,0 +1,11 @@
+package ptr
+
+// Safe dereferences safely a pointer
+// - if the pointer is nil => returns the zero value of the type of the pointer if nil
+// - if the pointer is not nil => returns the dereferenced pointer
+func Safe[T any](v *T) T {
+	if v == nil {
+		return *new(T)
+	}
+	return *v
+}