From 1465a7b08096d825f77a85e5594266d78ff022a9 Mon Sep 17 00:00:00 2001
From: Araq <rumpf_a@web.de>
Date: Thu, 23 Jan 2014 12:22:34 +0100
Subject: [PATCH] small code cleanups

---
 compiler/ast.nim           | 1 -
 compiler/lambdalifting.nim | 4 +---
 web/news.txt               | 2 ++
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/compiler/ast.nim b/compiler/ast.nim
index 82cc2c96f..0e351a31a 100644
--- a/compiler/ast.nim
+++ b/compiler/ast.nim
@@ -287,7 +287,6 @@ const
 
   sfNoRoot* = sfBorrow # a local variable is provably no root so it doesn't
                        # require RC ops
-  sfClosureCreated* = sfDiscriminant # for transf-lambdalifting interaction
 
 const
   # getting ready for the future expr/stmt merge
diff --git a/compiler/lambdalifting.nim b/compiler/lambdalifting.nim
index a9c4a8757..01eb49463 100644
--- a/compiler/lambdalifting.nim
+++ b/compiler/lambdalifting.nim
@@ -422,7 +422,6 @@ proc transformOuterConv(n: PNode): PNode =
 proc makeClosure(prc, env: PSym, info: TLineInfo): PNode =
   result = newNodeIT(nkClosure, info, prc.typ)
   result.add(newSymNode(prc))
-  if prc.kind == skIterator: incl(prc.flags, sfClosureCreated)
   if env == nil:
     result.add(newNodeIT(nkNilLit, info, getSysType(tyNil)))
   else:
@@ -776,8 +775,7 @@ proc liftIterSym*(n: PNode): PNode =
   # transforms  (iter)  to  (let env = newClosure[iter](); (iter, env)) 
   let iter = n.sym
   assert iter.kind == skIterator
-  #if sfClosureCreated in iter.flags: return n
-  
+
   result = newNodeIT(nkStmtListExpr, n.info, n.typ)
   
   var env = copySym(getHiddenParam(iter))
diff --git a/web/news.txt b/web/news.txt
index 01b6d18b9..a045eb880 100644
--- a/web/news.txt
+++ b/web/news.txt
@@ -74,6 +74,8 @@ Language Additions
   evaluable at compile-time.
 - Support for user-defined type classes has been added.
 - The *command syntax* is supported in a lot more contexts.
+- Anonymous iterators are now supported and iterators can capture variables
+  of an outer proc.
 
 
 Tools improvements