From 27f881444a01bb6884dd87ddf3f152c54d431f97 Mon Sep 17 00:00:00 2001
From: bakpakin <calsrose@gmail.com>
Date: Sat, 5 Mar 2016 16:06:56 -0500
Subject: [PATCH] Fix string filter generator.

---
 spec/tiny_spec.lua | 22 ++++++++++++++++++++++
 tiny.lua           |  9 +++++----
 2 files changed, 27 insertions(+), 4 deletions(-)

diff --git a/spec/tiny_spec.lua b/spec/tiny_spec.lua
index c007b87..c5ced28 100644
--- a/spec/tiny_spec.lua
+++ b/spec/tiny_spec.lua
@@ -111,6 +111,28 @@ describe('tiny-ecs:', function()
 
         end)
 
+        it("Can use string filters", function()
+
+            local f = tiny.filter('a|b|c')
+
+            assert.truthy(f(nil, {
+                a = true, b = true, c = true
+            }))
+            assert.truthy(f(nil, {
+                a = true
+            }))
+            assert.truthy(f(nil, {
+                b = true
+            }))
+            assert.truthy(f(nil, {
+                c = true
+            }))
+            assert.falsy(f(nil, {
+                x = true, y = true, z = true
+            }))
+
+        end)
+
     end)
 
     describe('World:', function()
diff --git a/tiny.lua b/tiny.lua
index 1b35974..7b16fc0 100644
--- a/tiny.lua
+++ b/tiny.lua
@@ -92,6 +92,7 @@ local filterJoin
 local filterBuildString
 
 do
+
     local loadstring = loadstring or load
     local function getchr(c)
         return "\\" .. c:byte()
@@ -145,12 +146,12 @@ do
         return table.concat(accum)
     end
 
-    print(buildPart'a|b|(c&d)')
-
     function filterBuildString(str)
-        local source = ('return function(_, e) return %s end end'):format(buildPart(str))
+        local source = ("return function(_, e) return %s end"):format(buildPart(str))
         local loader, err = loadstring(source)
-        if err then error(err) end
+        if err then
+            error(err)
+        end
         return loader()
     end