From 7410e42bc00c8438884a475ccf8a9e07b73eaec3 Mon Sep 17 00:00:00 2001
From: Bruce Hill <bitbucket@bruce-hill.com>
Date: Mon, 14 May 2018 14:45:38 -0700
Subject: Minor optimizations.

---
 nomsu.lua | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

(limited to 'nomsu.lua')

diff --git a/nomsu.lua b/nomsu.lua
index 9860772..472846a 100644
--- a/nomsu.lua
+++ b/nomsu.lua
@@ -131,12 +131,14 @@ do
     return self .. stringify(other)
   end
   STRING_METATABLE.__index = function(self, i)
+    local ret = string[i]
+    if ret ~= nil then
+      return ret
+    end
     if type(i) == 'number' then
       return string.sub(self, i, i)
     elseif type(i) == 'table' then
       return string.sub(self, i[1], i[2])
-    else
-      return string[i]
     end
   end
 end
@@ -1103,12 +1105,14 @@ OPTIONS
     print_err_msg(error_message)
     return os.exit(false, true)
   end
-  local ldt
-  ok, ldt = pcall(require, 'ldt')
-  if ok then
-    ldt.guard(run)
-  else
-    xpcall(run, err_hand)
+  do
+    local ldt
+    ok, ldt = pcall(require, 'ldt')
+    if ok then
+      ldt.guard(run)
+    else
+      xpcall(run, err_hand)
+    end
   end
 end
 return NomsuCompiler
-- 
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