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Lua provides functions to push and pop most simple C data types (integers, floats, etc.) to and from the stack, and functions to manipulate tables through the stack. The Lua stack is somewhat different from a traditional stack; the stack can be indexed directly, for example. Negative indices indicate offsets from the top of the stack.
In Lua, "table" is a fundamental type that can be used either as an array (numerical index, fast) or as an associative array. The keys and values can be of any type, except nil. The following focuses on non-numerical indexes. A table literal is written as { value, key = value, [index] = value, ["non id string"] = value }. For example:
Fyne is a free and open-source cross-platform widget toolkit for creating graphical user interfaces (GUIs) across desktop and mobile platforms. It is designed to enable developers to build applications that run on multiple desktop and mobile platforms/versions from a single code base. [2]
A table is a sequence, optionally supplemented by named keys: digit["two"]="2". Several table functions like table.concat will only work with the numbered values and ignore named keys. The metatable offers a large, optional set of methods for altering table behavior. For example, you can define a table to be callable like a function.
The Simplified Wrapper and Interface Generator (SWIG) is an open-source software tool used to connect computer programs or libraries written in C or C++ with scripting languages such as Lua, Perl, PHP, Python, R, Ruby, Tcl, and other language implementations like C#, Java, JavaScript, Go, D, OCaml, Octave, Scilab and Scheme.
Project Dogwaffle Professional offers Lua scripting to make filters through the DogLua filter. Lua filters can be shared between Project Dogwaffle, GIMP, Pixarra Twistedbrush and ArtWeaver. Project Zomboid is a video game (similar to The Sims but in zombie theme) made in Java, that uses Lua for mods (expanding the game with scripting).
Ivy: a package manager for Java, integrated into the Ant build tool, also used by sbt; Leiningen: a project automation tool for Clojure; LuaRocks: a programming library and package manager for Lua; Maven: a package manager and build tool for Java; npm: a programming library and package manager for Node.js and JavaScript;
LuaRocks allows installing Lua modules to standard Lua paths as well as to customized locations. For this reason, it is possible to use it to install extensions to any project that uses standard Lua modules, such as the Awesome window manager. Some projects, however, adopted LuaRocks as their recommended solution for managing extensions ...