Add back parser restrictions

schala-lang/language/src/eval/test.rs

@@ -133,7 +133,7 @@ test_in_fresh_env!(source, "\"x\"");
 fn boolean_pattern() {
   let source = r#"
 let a = true
-if a { 
+if a {
   is true then "x",
   is false then "y"
 }

schala-lang/language/src/parsing.rs

@@ -813,12 +813,15 @@ impl Parser {
   #[recursive_descent_method]
   fn if_expr(&mut self) -> ParseResult<Expression> {
     expect!(self, Keyword(Kw::If));
+    let old_struct_value = self.restrictions.no_struct_literal;
+    self.restrictions.no_struct_literal = true;
     let discriminator = if let LCurlyBrace = self.token_handler.peek_kind() {
       None
     } else {
       Some(Box::new(self.expression()?))
     };
     let body = Box::new(self.if_expr_body()?);
+    self.restrictions.no_struct_literal = old_struct_value;
     Ok(Expression::new(self.id_store.fresh(), ExpressionKind::IfExpression { discriminator, body }))
   }