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Line 1: − + − + − {{Shared Template Warning|Module:No globals|No globals}}+ + − == Usage ==+ − Include this module at the top of your code. An error will be raised any time your code tries to read or write to a non-local (undeclared) variable. − + − {| class=wikitable+ − | [[Module:No globals]] || {{#invoke:No globals/testcases|run|displayMode=short}} − |- − | [[Module:No globals/sandbox]] || {{#invoke:No globals/testcases|run||displayMode=short|module=No globals/sandbox}} − |} − − * [https://www.mediawiki.org/w/index.php?title=Special%3AComparePages&page1=Module%3ANo%20globals&page2=Module%3ANo%20globals%2Fsandbox Diff] sandbox code − − <includeonly>{{#ifeq:{{SUBPAGENAME}}|sandbox | | − <!-- Categories below this line, please; interwikis at Wikidata --> + + +
Undid revision 965187440 by 46.154.178.96 (talk)
{{module rating|release}}{{module rating|protected}}
{{high-use|13,053,000+|all-pages = yes}}
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This module causes an error if any nil [[global variable|global]] is read or if any global is written to, with the exception of <var>arg</var>. To use, add <syntaxhighlight lang="lua" inline>require('Module:No globals')</syntaxhighlight> to the top of the module using it. The <var>arg</var> variable is excluded because it is necessary for Scribunto's [[mw:Extension:Scribunto/Lua reference manual#require|require]] function to work properly. (See the Scribunto source code [[phab:diffusion/ELUA/browse/master/includes/engines/LuaCommon/lualib/package.lua;1fad4da13706f4dbdd0477a834675b9d09757bf6|here]].)
== Tests ==
== See also ==
* [[Module:Log globals]] – adds all nil global reads/writes to the lua log
* See [[Module:No globals/testcases|testcases]]
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[[Category:Lua metamodules]]
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