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Diffstat (limited to 'src/buildtool/build_engine/expression/expression_ptr.hpp')
-rw-r--r--src/buildtool/build_engine/expression/expression_ptr.hpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/buildtool/build_engine/expression/expression_ptr.hpp b/src/buildtool/build_engine/expression/expression_ptr.hpp
index 77b1cfba..f8b9a77f 100644
--- a/src/buildtool/build_engine/expression/expression_ptr.hpp
+++ b/src/buildtool/build_engine/expression/expression_ptr.hpp
@@ -83,6 +83,8 @@ class ExpressionPtr {
[](std::string const& error) noexcept -> void {
Logger::Log(LogLevel::Error, error);
},
+ std::function<std::string(ExpressionPtr)> const& annotate_object =
+ [](auto const& /*unused*/) { return std::string{}; },
std::function<void(void)> const& note_user_context =
[]() noexcept -> void {}) const noexcept -> ExpressionPtr;