public void ParseMultiFunExpression()
{
Parser parser = new Parser("fun({c,C}) -> {f, 32 + C*9/5}; ({f,F}) -> {c, (F-32)*5/9} end.");
var expr = parser.ParseExpression();
Assert.IsNotNull(expr);
Assert.IsInstanceOfType(expr, typeof(MultiFunExpression));
var mfexpr = (MultiFunExpression)expr;
Assert.AreEqual(2, mfexpr.Expressions.Count);
Assert.IsNull(parser.ParseExpression());
}