Code from github.com/anakrish/rego-rs

Authored by anakrish and mingweishih

Signed-off-by: Anand Krishnamoorthi <anakrish@microsoft.com>

tests/tests.rs

@@ -0,0 +1,7 @@
+// Copyright (c) Rego-Rs Authors.
+// Licensed under the Apache 2.0 license.
+
+mod interpreter;
+mod lexer;
+mod parser;
+mod value;