move to new syntax, wip4

examples/wip.rs

 fn main() {
+    {}
     a;
 }

src/grammar.lalrpop

@@ -155,29 +155,15 @@ pub Block: Stmts = {
 
 StmtSeq: Stmt = {
     <Stmt> ";" => <>,
-    StmtBlock => panic!(),
+    StmtBlock => Stmt::Block(<>),
 }
 
 StmtBlock: Stmts = {
     "while" Expr Block => panic!(),
     "if" Expr Block ("else" Block)? => panic!(),
-    Block  => panic!(),
+    Block,
 }
 
-// Stmt: Stmt = {
-    //  ";" => Stmt::Semi,
-//     "let" "mut"? Id "=" Expr ";" => (),
-//     ExprNoBlock "=" Expr => (),
-//     "while" Expr Block => (),
-//     "if" Expr Block ("else" Block)? => (),
-//     ExprNoBlock => (),
-//     Block => (),
-// }
-
-
-
-
-
 Stmt: Stmt = {
     ";" => Stmt::Semi,
     //"let" <m: "mut"?> <id: Id> <t: (":" <Type>)?> <e: ("=" <Expr>)?>  => Stmt::Let(id, m.is_some(), t, e),