From ad5366c2ad43216ac9a61ccb1477ff9859d1a75c Mon Sep 17 00:00:00 2001
From: eldritch horrors <pennae@lix.systems>
Date: Sun, 16 Jun 2024 23:10:09 +0200
Subject: libexpr: pass Exprs as references, not pointers

almost all places where Exprs are passed as pointers expect the pointers
to be non-null. pass them as references to encode this constraint in the
type system as well (and also communicate that Exprs must not be freed).

Change-Id: Ia98f166fec3c23151f906e13acb4a0954a5980a2
---
 src/nix/main.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/nix/main.cc')

diff --git a/src/nix/main.cc b/src/nix/main.cc
index 074a59049..55f8d59ba 100644
--- a/src/nix/main.cc
+++ b/src/nix/main.cc
@@ -234,7 +234,7 @@ static void showHelp(std::vector<std::string> subcommand, NixArgs & toplevel)
     auto vUtils = state.allocValue();
     state.cacheFile(
         CanonPath("/utils.nix"), CanonPath("/utils.nix"),
-        state.parseExprFromString(
+        &state.parseExprFromString(
             #include "utils.nix.gen.hh"
             , CanonPath::root),
         *vUtils);
-- 
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