Update README.md

golobby · Feb 19, 2022 · b93f18b · b93f18b
1 parent fb9bf33
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diff --git a/README.md b/README.md
@@ -51,6 +51,12 @@ The following snippet expresses singleton binding.
 err := container.Singleton(func() Abstraction {
   return Implementation
 })
+
+// If you might return an error...
+
+err := container.Singleton(func() (Abstraction, error) {
+  return Implementation, nil
+})
 ```
 
 It takes a resolver (function) whose return type is the abstraction and the function body returns the concrete (implementation).