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-rw-r--r--src/analysis/lattices/lift.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/analysis/lattices/lift.h b/src/analysis/lattices/lift.h
index ba711ac65..ec0f57967 100644
--- a/src/analysis/lattices/lift.h
+++ b/src/analysis/lattices/lift.h
@@ -74,6 +74,9 @@ template<Lattice L> struct Lift {
}
};
+// Deduction guide.
+template<typename L> Lift(L&&) -> Lift<L>;
+
#if __cplusplus >= 202002L
static_assert(Lattice<Lift<Bool>>);
#endif