$ cc -v
Apple LLVM version 8.1.0 (clang-802.0.41)
Target: x86_64-apple-darwin16.5.0
Thread model: posix
InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

root@concaten-build:/concaten# ./tester
Testing code_block...       42 succeeded in   26 us.
Testing data_stack...       50 succeeded in    7 us.
Testing method_map...       67 succeeded in   42 us.
Testing object...           52 succeeded in   28 us.
Testing prop_map...         37 succeeded in    7 us.
Testing runnable...         79 succeeded in   10 us.
Testing scope_stack...      63 succeeded in   26 us.
Testing stringbuilder...    24 succeeded in    1 us.
Testing token_stack...     126 succeeded in   20 us.

root@concaten-build:/concaten# ./concaten demo.ctn
Hello, World!
2
14.800000
-12
0.352941
-1.300000
1.300000
3.600000
50
1.333333
-592925
3.000000
3.200000
12
done

% lxc-destroy -n concaten-build
Destroyed container concaten-build

self = <encodings.cp1252.IncrementalDecoder object at 0x000002ADFBD44E10>
input = b'or match in keywords])\r\n            return True, u"Scam aimed at *{}* customers. Keywords: *{}*".format(business.g...|hotmail|hp|"\r\n                             r"lexmark|mcafee|microsoft|norton|out[l1]ook|quickbooks|sage|windows?|ya'
final = False

PS H:\Development\SmokeDetector-Py3Conversion> py -W default::Warning -m pytest test
C:\Users\Andy\AppData\Local\Programs\Python\Python36\lib\site-packages\_pytest\assertion\rewrite.py:7: DeprecationWarning: the imp module is deprecated in favour of importlib; see the module's documentation for alternative uses
  import imp
============================= test session starts =============================
platform win32 -- Python 3.6.1, pytest-3.0.7, py-1.4.33, pluggy-0.4.0
rootdir: H:\Development\SmokeDetector-Py3Conversion, inifile: