From 4f4f138fb4538686f5c74d73acbd9e7915968c28 Mon Sep 17 00:00:00 2001
From: Zahary Karadjov <zahary@gmail.com>
Date: Thu, 18 Jul 2019 21:30:03 +0300
Subject: [PATCH] More capable alternative of unpackVarargs

---
 stew/shims/macros.nim | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/stew/shims/macros.nim b/stew/shims/macros.nim
index 28f63a6..aceaf00 100644
--- a/stew/shims/macros.nim
+++ b/stew/shims/macros.nim
@@ -253,3 +253,14 @@ iterator typedParams*(n: NimNode, skip = 0): (NimNode, NimNode) =
     for j in 0 ..< paramNodes.len - 2:
       yield (paramNodes[j], paramType)
 
+macro unpackArgs*(callee: typed, args: untyped): untyped =
+  result = newCall(callee)
+  for arg in args:
+    let arg = if arg.kind == nnkHiddenStdConv: arg[1]
+              else: arg
+    if arg.kind == nnkArgList:
+      for subarg in arg:
+        result.add subarg
+    else:
+      result.add arg
+