}
@Test
public void testSimple() {
ArrayList<String> strs = new ArrayList<>();
strs.add("2+2");
TypedAST pair = wyvern.stdlib.Compiler.compileSources("in1", strs);
Assert.assertEquals(join(getResult(pair)),"val temp$0 = 2,val temp$1 = 2,val temp$2 = temp$0 + temp$1,temp$2");;
}