From 997defa16617caf5fd869924558389639d1c8caf Mon Sep 17 00:00:00 2001
From: Shea Levy <shea@shealevy.com>
Date: Wed, 15 Oct 2014 22:04:48 -0400
Subject: Add functors (callable attribute sets).

With this, attribute sets with a `__functor` attribute can be applied
just like normal functions. This can be used to attach arbitrary
metadata to a function without callers needing to treat it specially.
---
 src/libexpr/eval.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/libexpr/eval.hh')

diff --git a/src/libexpr/eval.hh b/src/libexpr/eval.hh
index 51ab1b1e8012..d066f7fd5815 100644
--- a/src/libexpr/eval.hh
+++ b/src/libexpr/eval.hh
@@ -126,7 +126,7 @@ public:
 
     const Symbol sWith, sOutPath, sDrvPath, sType, sMeta, sName, sValue,
         sSystem, sOverrides, sOutputs, sOutputName, sIgnoreNulls,
-        sFile, sLine, sColumn;
+        sFile, sLine, sColumn, sFunctor;
     Symbol sDerivationNix;
 
     /* If set, force copying files to the Nix store even if they
-- 
cgit 1.4.1