From 14171d243b76c845c3a9001aee1a0e9d2056f95e Mon Sep 17 00:00:00 2001
From: Yonaba <roland.yonaba@gmail.com>
Date: Sun, 16 Sep 2018 02:18:27 +0000
Subject: [PATCH] Fixed issue with zipping false values

---
 moses.lua           | 2 +-
 moses_min.lua       | 2 +-
 spec/array_spec.lua | 1 +
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/moses.lua b/moses.lua
index ffdaeb0..eef3534 100644
--- a/moses.lua
+++ b/moses.lua
@@ -1475,7 +1475,7 @@ function M.zip(...)
   for i = 1,n do
     if not _ans[i] then _ans[i] = {} end    
     for k, array in ipairs(args) do
-      if array[i] then _ans[i][#_ans[i]+1] = array[i] end
+      if (array[i]~= nil) then _ans[i][#_ans[i]+1] = array[i] end
     end
   end
   return _ans
diff --git a/moses_min.lua b/moses_min.lua
index e2117cb..feba2ca 100644
--- a/moses_min.lua
+++ b/moses_min.lua
@@ -258,7 +258,7 @@ function S1wg_DG.zip(...)local cdxFVpZw={...}
 local Y=S1wg_DG.max(cdxFVpZw,function(BuX1r)return#BuX1r end)local o9Uh={}
 for Wyf83f2=1,Y do if not o9Uh[Wyf83f2]then o9Uh[Wyf83f2]={}end
 for P0olj,z in
-kyWtqIf0(cdxFVpZw)do if z[Wyf83f2]then
+kyWtqIf0(cdxFVpZw)do if(z[Wyf83f2]~=nil)then
 o9Uh[Wyf83f2][#o9Uh[Wyf83f2]+1]=z[Wyf83f2]end end end;return o9Uh end
 function S1wg_DG.zipWith(EHCCkt,...)local x={...}
 local xNWVmS=S1wg_DG.max(x,function(Pkis6H28)return#Pkis6H28 end)local kGWnkgDu={}for tSE=1,xNWVmS do
diff --git a/spec/array_spec.lua b/spec/array_spec.lua
index 6e618ad..e69e8da 100644
--- a/spec/array_spec.lua
+++ b/spec/array_spec.lua
@@ -598,6 +598,7 @@ describe('Array functions specs', function()
     it('zips together values from different arrays sharing the same index', function()   
       local names = {'Bob','Alice','James'}; local ages = {22, 23}
       assert.is_true(M.isEqual(M.zip(names,ages),{{'Bob',22},{'Alice',23},{'James'}}))
+      assert.is_true(M.isEqual(M.zip({false},{false}),{{false,false}}))
     end)     
   end)