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Takes an array t with one or more nil values, and removes the nil values while preserving the order, so that the array can be safely traversed with ipairs. Any keys that are not positive integers are removed. For example, for the table {1, nil, foo = 'bar', 3, 2}, compressSparseArray will return {1, 3, 2}.
It also returns nil values as nil, to allow for distinctions between nil and false. The module also accepts other Lua structures as input, i.e. booleans, numbers, tables, and functions. If it is passed input that it does not recognise as boolean or nil, it is possible to specify a default value to return.
This Lua module is used on 1,620,000+ pages, or roughly 3% of all pages. To avoid major disruption and server load, any changes should be tested in the module's /sandbox or /testcases subpages, or in your own module sandbox.
The values can be strings, numbers, tables, functions, etc. A sequence is a set of entries with indices from 1 to N, where N is a positive integer. They can be created by placing brackets around an expression list.
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In a warning Friday, U.S. Surgeon General Vivek Murthy said cancer risk increases with the number of drinks, but even one drink a day can be dangerous.
Lua bytecode can also be produced and executed from within Lua, using the dump function from the string library and the load/loadstring/loadfile functions. Lua version 5.3.4 is implemented in approximately 24,000 lines of C code. [3] [4]