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While Lua allows the true and false boolean values, wikicode templates can only express boolean values through strings such as "yes", "no", etc. This module processes these kinds of strings and turns them into boolean input for Lua to process. It also returns nil values as nil, to allow for distinctions between nil and false. The module also ...
If it isn't a table, it's a string, a number, a boolean, a function, or a nil. Libraries are tables. string.gmatch is the "gmatch" entry in the table named by the global variable string. Arguments that you receive from MediaWiki are tables. But they're a bit special. Arrays are tables that follow a specific convention.
As a beginner, or in casual talk page conversation, you might only have one little calculation you want to use Lua for but don't want to write a full module. You might find Module:LuaCall convenient for this. For example, you can test how a greedy Lua pattern works: {{# invoke: LuaCall | main | a = bbbbbbbbbba | b = bb (. *) b (. +) bba ...
This might be the case if you use the getArgs function in the main function of your module, and that function is called by another Lua module. In this case, you will need to check the type of your input. This is not a problem if you are using a function specially for arguments from #invoke (i.e. you have p.main and p._main functions, or ...
Lua 1.0 was designed in such a way that its object constructors, being then slightly different from the current light and flexible style, incorporated the data-description syntax of SOL (hence the name Lua: Sol meaning "Sun" in Portuguese, and Lua meaning "Moon").
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"Usually, you can treat food poisoning at home by replacing the fluids lost via vomiting or diarrhea by drinking water, diluted juice, clear broths, sports drinks with electrolytes for adults and ...
(The mf variable stands for Module Formatnum; you can choose something more descriptive if you prefer.) Most functions in the module have a version for Lua and a version for #invoke. It is possible to use the #invoke functions from other Lua modules, but using the Lua functions has the advantage that you do not need to access a Lua frame object.