List Of All Keywords In Roblox Lua. What Is A function?What Is The syntax?What Is The Argument List?How Do You Call A function?Using The Return KeywordUsing The OperatorAnonymous Functions”” OperatorFunctions are simply a bunch of grouped together commands (lines of code) with the global environment plus a local environment Since functions are one of the 6 fundamental types variable naming conventions apply The syntax of a function is simple The most commonly used template is the following First comes the “function” keyword which denotes the next word after a space is the function name This is one of the things that makes functions different than other variables (Having a keyword to denote that it is a function) After the keyword comes a space and then the function name Remember to follow variable naming conventions After the function name comes an opening parenthesis ( ( ) and then the Argument list The Argument list is a series of unique variable names that stand as placeholders for values that can be passed to the function to use to get it's output This will be better explained in a second After the first variable placeholder each other one is seperated by a comma () A closing parenthesis ( ) ) denotes the end of an argument list After the closing parenthesis you type the function code The function codecan be any series of commands from one print() statement to a To beter define the argument list it is simply a list of variable names that when a function is called recieve values and then the variable name and value combine into a variable The variable is then added to the local environment of the function It can be used normally just like any other variable and is mostly used for getting input from the person/object that called the function If the function caller leaves out an argument when they call the function the variable's value becomes nil Calling a function is also simple Simply use the syntax The nameOfFunction is just the name of the function The argList is the comma seperated values to pass to the function These can be either variables or literals If it is a variable only the value will be passed on taking on the variable placeholder name in the function When calling a function the values passed must be in the correct order that you envisioned when you created the function For example say you have a function called gm() that takes two arguments a string value as the first and a number as the second If you called gm() with a number first and string second or maybe nil first and a thread second the function will hopelessly error or give a darasticly incorrect value! Also if you don't give enough values the variable names at the end that were not assigned anything will have the value “nil” If you have too many values the ones at the end will be ignored So know your functions and their argument lis The return keyword is a powerful keyword that allows functions to returna value after computation To return a variable simply type out the keyword “return” followed by the values separated by commas that you want to return You can return multiple values that can be either literals or variables For the caller to get all the variables the function returns they also so a variable nameholder list seperated by commas Again only the value is passed so the values returned take on the variable name the function caller gives it An example syntax is shown below As you can also see you can directly take a function's return and immediately pass it to another function as in “print(returna(1))” The operator is an operator used in function creating as a substitute for the argument list to make a function that can take in indefinite arguments When used in a function is like taking all of the values putting them in a table and then using unpack() on them Since most people want a table instead of that the recommended syntax is shown The above is almost like a normal function declaration except that instead of argList there is “” and then you see the table “args” The way I declare args is all the values of “” basically go into the args table The indexes are all numerical and the values are all the values passed in orer Anonymous functions do not have names So Instead of We would have a connection line at the beginning with no function name Make sure to put the ')' beside the 'end'! It closes the anonymous function If you're more experienced in scripting you can restrict some arguments to only be a certain type like this In the script you can see how there is “number” next to the argument this just makes it so that the argument can only be a number if it's not a number it will not work.
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Lua language most Lua Programming revolves user to create The genre code around the original of the time and share the game codes with The Basic Roblox users which allows is scripted in Roblox enables the knowledge in the creation of games Lua programming language other players or sharing and gaining.
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Keywords are special words that cannot be used as variable names or function names and control the flow of the script What are some keywords? The keywords in lua are if else elseif for while break continue repeat until next not true false then end function local or and do self List is not complete Keywords in action An example of an if statement.
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such as lists type of data curly brackets such number) as the all data structures table to hold integers (a whole Arrays is a table we use i=1 10 do as {} Arrays In Lua tables index of a queues and sets an array value a list of someArray[i = {} for To define a data Lua uses structure for holding are used for Example local someArray.
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