Change construction of a 0 singleton as an R^d list

This is a work around a clang-10 bug

src/language/node_processor/AffectationProcessor.hpp

@@ -419,13 +419,16 @@ class AffectationToTupleProcessor final : public INodeProcessor
           } else {
             std::ostringstream os;
             os << v << std::ends;
-            *m_lhs = std::vector{os.str()};
+            *m_lhs = std::vector<std::string>{os.str()};
           }
         } else if constexpr (std::is_same_v<ValueT, TinyVector<1>> and std::is_arithmetic_v<T>) {
-          *m_lhs = std::vector{TinyVector<1>{static_cast<double>(v)}};
-        } else if constexpr (is_tiny_vector_v<ValueT> and std::is_same_v<T, int64_t>) {
+          *m_lhs = std::vector<TinyVector<1>>{TinyVector<1>{static_cast<double>(v)}};
+        } else if constexpr (std::is_same_v<ValueT, TinyVector<2>> and std::is_same_v<T, int64_t>) {
           Assert(v == 0);
-          *m_lhs = std::vector<ValueT>{zero};
+          *m_lhs = std::vector<TinyVector<2>>{TinyVector<2>{zero}};
+        } else if constexpr (std::is_same_v<ValueT, TinyVector<3>> and std::is_same_v<T, int64_t>) {
+          Assert(v == 0);
+          *m_lhs = std::vector<TinyVector<3>>{TinyVector<3>{zero}};
         } else {
           // LCOV_EXCL_START
           throw ParseError("unexpected error: unexpected right hand side type in affectation", m_node.begin());

tests/test_AffectationToTupleProcessor.cpp

@@ -127,6 +127,11 @@ let t :(R^2); t = (0);
 )",
                              "t", (std::vector<TinyVector<2>>{TinyVector<2>{0, 0}}));
 
+    CHECK_AFFECTATION_RESULT(R"(
+let t :(R^3); t = (0);
+)",
+                             "t", (std::vector<TinyVector<3>>{TinyVector<3>{0, 0, 0}}));
+
     CHECK_AFFECTATION_RESULT(R"(
 let x : R^1, x = 1;
 let t :(R^1); t = (x,2);