From 08de44303033cc5ad966f4e75a7fa4a3cb06635f Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 26 Aug 2019 10:02:18 +0200
Subject: Implement updating build system modules

---
 libbuild2/target.hxx | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'libbuild2/target.hxx')

diff --git a/libbuild2/target.hxx b/libbuild2/target.hxx
index b0d46e9..d543da8 100644
--- a/libbuild2/target.hxx
+++ b/libbuild2/target.hxx
@@ -730,6 +730,10 @@ namespace build2
     const T*
     is_a () const {return dynamic_cast<const T*> (this);}
 
+    const target*
+    is_a (const char* n) const {
+      return type ().is_a (n) ? this : nullptr;}
+
     // Unchecked cast.
     //
     template <typename T>
-- 
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