about summary refs log tree commit diff
path: root/src/libexpr/primops.cc
diff options
context:
space:
mode:
authorEelco Dolstra <e.dolstra@tudelft.nl>2003-11-25T12·05+0000
committerEelco Dolstra <e.dolstra@tudelft.nl>2003-11-25T12·05+0000
commit6e8c19714af00b8340eea6eecf1c38fc6b09f6de (patch)
tree861335676382dcfabb4cc073f24573158e236292 /src/libexpr/primops.cc
parentd1d87badf6d07c9d319c555593be5c6d0bd08bb4 (diff)
* Allow integer bindings in derivations.
Diffstat (limited to 'src/libexpr/primops.cc')
-rw-r--r--src/libexpr/primops.cc7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc
index 481966af9e3e..da6927d0fcbd 100644
--- a/src/libexpr/primops.cc
+++ b/src/libexpr/primops.cc
@@ -89,6 +89,13 @@ static string processBinding(EvalState & state, Expr e, StoreExpr & ne)
     if (atMatch(m, e) >> "Bool" >> "True") return "1";
     if (atMatch(m, e) >> "Bool" >> "False") return "";
 
+    int n;
+    if (atMatch(m, e) >> "Int" >> n) {
+        ostringstream st;
+        st << n;
+        return st.str();
+    }
+
     if (atMatch(m, e) >> "Attrs" >> es) {
         Expr a = queryAttr(e, "type");
         if (a && evalString(state, a) == "derivation") {