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Thanks for the pointer @dinsdale247 - I've downloaded LDT for the moment on Windoze as an outline guide. I think it will help navigation. My code has grown organically rather than from a flow chart or other 'approved' approach so sometimes I forget a variable name or where it is also used. :)...

Thanks @dinsday247. The folks at IDM are still working in LSP for UEStudio so no progress there, beta or not. I tried ZeroBrane which looks interesting but as my lua server doesn't actually have X installed and I work on it via ssh, I couldn't install successfully. The Windows version does not...

Certainly you can use tables as sets and with metatables construct rules for membership, __adding, __deleting etc. But as these are associative tables rather than indexed tables, each access is quite slow and each element will take a considerable space. OK with GB memory and TB storage (if you...

Wikipedia shows sets are available in quite a few programming languages:

The next version of UEStudio (v 21) should work with LSP. That is due out in January so I will see whether I can get it to work, or how good it is.:)

Thanks for your suggestions @gilzoide. I will ask IDM but as they also have UltraStudio they may already have gone down their own path. There is a wordfile for UltraEdit/UltraStudio so syntax highlighting including folding blocks and other things work fine. I have been using UE/US for many...

One thing missing from all implementations AFAIK appears to be sets, with union, intersection etc operators. In an earlier life I found Pascal (the best pre-open source revolution version was by Prospero) which taught me, as a then-Fortran user, the usefulness of understanding data structures...

Which Lua? I usually use luajit (2.1.0-beta3) or my Ubuntu 18.04 LTS platform default is lua 5.2. I've never tried it on Windoze. I only use interactive Lua to check little ideas so I've never thought to use variables() that way. :) I use it in code where there is a puzzling error to check I...

In my (relative) youth I spent a lot of time writing models in Fortran, mainly in the mathematics, physics and statistics modelling areas. I soon found that cross referencing and layout tools were very useful, particularly Forcheck that checks arguments, line numbers where identifiers are used...

A simple library to call. Call the chunk by: local split,kpairs,dump,tSize,variables,tcopy,round,koncat,grep,file_exists,create_userdata = dofile "library.lua" -- or wherever it is stored

You are better posting this on the fxcodebase forum as this is specific to FXCM's Trading Station rather than a general Lua question. You also need to have an ExtAsyncOperationFinished function that processes the orders and events. Before you try it, run it through luacheck and you will see a...