move error and match to util

1 files changed, 32 insertions, 0 deletions

diff --git a/nihil.util/match.test.cc b/nihil.util/match.test.cc
new file mode 100644
index 0000000..6cc0e27
--- /dev/null
+++ b/nihil.util/match.test.cc
@@ -0,0 +1,32 @@
+// This source code is released into the public domain.
+
+#include <catch2/catch_test_macros.hpp>
+
+import nihil.std;
+import nihil.util;
+
+namespace {
+TEST_CASE("match", "[nihil]")
+{
+	using namespace nihil;
+	using namespace std::literals;
+
+	auto v = std::variant<int, std::string>(42);
+
+	auto s = v | match {
+		[](int) { return "int"s; },
+		[](std::string const &) { return "string"s; }
+	};
+
+	REQUIRE(s == "int");
+
+	v = "test"s;
+
+	s = v | match {
+		[](int) { return "int"s; },
+		[](std::string const &) { return "string"s; }
+	};
+
+	REQUIRE(s == "string");
+}
+} // anonymous namespace