From e3e597180487328a54721e2afb95e33ed853d586 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 1 Feb 2017 16:36:24 +0200
Subject: Pass const scope& where modification should not happen

---
 build2/target-type | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

(limited to 'build2/target-type')

diff --git a/build2/target-type b/build2/target-type
index cddb9e2..ab21aa0 100644
--- a/build2/target-type
+++ b/build2/target-type
@@ -40,11 +40,21 @@ namespace build2
   {
     const char* name;
     const target_type* base;
-    target* (*factory) (
-      const target_type&, dir_path, dir_path, string, optional<string>);
-    optional<string> (*extension) (const target_key&, scope&, bool search);
+
+    target* (*factory) (const target_type&,
+                        dir_path,
+                        dir_path,
+                        string,
+                        optional<string>);
+
+    optional<string> (*extension) (const target_key&,
+                                   const scope&,
+                                   bool search);
+
     void (*print) (ostream&, const target_key&);
+
     target* (*search) (const prerequisite_key&);
+
     bool see_through; // A group with the default "see through" semantics.
 
     template <typename T>
-- 
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