From 0c8c1434f7f55501c5bc68aac56e5938d7760242 Mon Sep 17 00:00:00 2001
From: heromyth <bitworld@qq.com>
Date: Wed, 11 Mar 2020 09:55:15 +0800
Subject: [PATCH] Check if a Type is registered

---
 source/poodinis/container.d | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/source/poodinis/container.d b/source/poodinis/container.d
index 47e8c95..ae9c36b 100644
--- a/source/poodinis/container.d
+++ b/source/poodinis/container.d
@@ -373,6 +373,12 @@ synchronized class DependencyContainer {
         }
     }
 
+    bool isRegistered(RegistrationType)() {
+        TypeInfo typeInfo = typeid(RegistrationType);
+        auto candidates = typeInfo in registrations;
+        return candidates !is null;
+    }
+
     private QualifierType resolveAutowiredInstance(QualifierType)(Registration registration) {
         QualifierType instance;
         if (!(cast(Registration[]) autowireStack).canFind(registration)) {