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Nov 23, 2019 · 1 - The function for the pcall to run, you can’t call : functions inside a pcall therefore you have to call it with . and now the next arguments are what to pass to the function. 2 - Since you called a : function with . you need to supply what the function belongs to (self) as per OOP rules. 3 - The key of what to Get.
Dec 13, 2023 · How to use pcall () The pcall() function stands for “protected call.”. It allows you to call a function in a protected mode, meaning it catches errors that occur during the function execution. Returning Values: If the function returns values, ensure that you capture them in the correct order.
Feb 18, 2024 · A pcall can catch errors in scripts when using something that ends in Async. You can see if it fails or succeeds. AborayStudios (Aboray_Studios) February 18, 2024, 9:46pm #4. Seriously, next time consider searching it up on google, but Pcalls are used to catch errors in scenarios that are game-breaking or can’t be relied on.
Runs the provided function and catches any error it throws, returning the function's success and its results.
Jul 8, 2013 · I want my application to attempt to invoke TestFun (as an example), and if it exists then execute it, otherwise gracefully and silently fail. The problem I was having was that I simply invoked lua_pcall(L, 0, 0, 0) and ignored the return value because it didn't matter to me.
Example A - Execution without pcall function square(a) return a * "a" --This will stop the execution of the code and throws an error, because of the attempt to perform arithmetic on a string value end square(10); print ("Hello World") -- This is not being executed because the script was interrupted due to the error
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local function foo return 2 * 2 end local success, msg = pcall (foo) print (success, msg) true 4 First value is true, second value is what was returned by the function (4, because 2*2 is 4)
