Fix lambdas without braces as arguments

Author: thekid

src/main/php/lang/ast/Parse.class.php

@@ -96,7 +96,6 @@ private function setup() {
       $signature= [[[$left->value, false, null, false, false, null]], null];
       $node->value= [$signature, $this->expression(0)];
       $node->arity= 'lambda';
-      $this->token= new Node($this->symbol(';'));
       return $node;
     });
 

src/test/php/lang/ast/unittest/emit/LambdasTest.class.php

@@ -107,6 +107,18 @@ public function run() {
     $this->assertEquals(2, $r(1));
   }
 
+  #[@test]
+  public function without_braces_as_argument() {
+    $r= $this->run('class <T> {
+      private function apply($f, ... $args) { return $f(...$args); }
+      public function run() {
+        return $this->apply($a ==> $a + 1, 2);
+      }
+    }');
+
+    $this->assertEquals(3, $r);
+  }
+
   #[@test]
   public function without_params() {
     $r= $this->run('class <T> {