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#Help understanding "return"
obsidian briar
gleaming grove
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rigid turtle
so returning is weird, took me a minute to understand myself
it allows you to send back any data you want, and you can create several conditions too
for example if a door is open, i can return “Hello!”
if the door is closed, i can return “Who’s there?”
rigid turtle
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the way it was done here, he assigned that value he returned to a variable
that function will run, and then make hotdogs equal “Awesome”
now when you print hotdogs, we’ll get the string “Awesome”
does that make sense?
gleaming grove
does that make sense?
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simple nymphBOT
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rigid turtle
when you set a variable equal to a function, the variable will retain the value of whatever (if anything) that the function returns
rigid turtle
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the function itself prints “hi”
so when he calls the function, it just prints that
but when he stores the returned value and print it, the function runs normally and then the script also prints the variable
did that help clarify?
oh btw the function isn’t the thing printing “Awesome”
which is why just calling the function won’t print “Awesome”
gleaming grove
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austere sky
function add(a, b)
return a + b
end
local answer = add(3, 2)
print(answer) -- 5
thats exactly what i was gonna type out
return literally will return anything you provide it
so you got the numbers 2 and 3
and you're returning the sum of them
gleaming grove
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austere sky
Then what has confused you then?
gleaming grove
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rigid turtle
local doorOpen = true
local function isOpen()
if doorOpen == true then
return "Yes!"
else
return "No..."
end
end
local open = isOpen()
print(open) --This is where the value we return gets printed
@gleaming grove do you know what will be printed in this example
austere sky
When you assign a variable to a function with a return, whatever's in the return will be the value of that very variable.
gleaming grove
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rigid turtle
yeah you got it
noble belfry
return literally will *return* anything you provide it
just an question
return its like call back?
rigid turtle
wydm
noble belfry
i mean
gleaming grove
When you assign a variable to a function with a return, whatever's in the return...
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noble belfry
return is literally return
rigid turtle
yeah
noble belfry
so if not in scripting
austere sky
function example()
return true
end
local result = example() -- result is the return value.
its gonna be equal by words with back to start
rigid turtle
i have no clue what you're trying to get at
this is a scripting thread
we arent talking outside of scripting
gleaming grove
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rigid turtle
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good! once you use it frequently it will be like second nature
noble belfry
i have no clue what you're trying to get at
cuz im aslo dont know how that working because i cant imagine how i can use it
rigid turtle
```lua
function add(a, b)
return a + b
end
local answer = add(3, 2)
print(answe...
this is a good example of practical use
basic but practical
noble belfry
its also with remote and bindable event i just cant understand where i can use it
rigid turtle
remote events are useful for server-client communication
gleaming grove
good! once you use it frequently it will be like second nature
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rigid turtle
bindables are good for when non-event conditions are met (i think)
dont quote me on that
i dont use them, they arent super helpful anyway
rigid turtle
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glad to hear! you're always fine to make a new post if you get stuck again, too!
rigid turtle
cuz im aslo dont know how that working because i cant imagine how i can use it
would it help if i showed a segment of one of my scripts where i used returning?
austere sky
You can also return multiple things if you wish.
function getData()
return "hi", true, nil
local str, myboolean, nothing = getData()
sure
ig its gonna help a lot
rigid turtle
i made an admin script
the thing i needed was a function that could return a table of all the players the command targeted
just fyi it may be a lot to look at
dont confuse yourself with it if you can
local function getSubjects(target, plr)
local subject_table ={}
if target == nil or target == "me" then
table.insert(subject_table, plr)
elseif target == "all" then
subject_table = game:GetService("Players"):GetChildren()
elseif target == "others" then
for _, person in ipairs(game:GetService("Players"):GetChildren()) do
if person == plr then continue end
table.insert(subject_table, person)
end
else
for _, person in ipairs(game:GetService("Players"):GetChildren()) do
local name = string.sub(string.lower(person.Name),1,#target)
if name ~= target then continue end
table.insert(subject_table, person)
end
end
return subject_table or {plr} --returns here
end
omg that is so unoptimal...
its fine for now
gleaming grove
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austere sky
Many experienced developers use return to exit functions quickly to optimize their code and have a cleaner look.
function giveGearTo(Player)
if not Player or not Player.Character then return end
local gear = Folder.Gear:Clone()
gear.Parent = Player.Character
end
giveGearTo(Player)
ok i just updated it
noble belfry
the thing i needed was a function that could return a table of all the players t...
quick quest table is local t = {} ?
noble belfry
quick quest table?
sorry i mean quick question about table it
local t = {}
is this table?
rigid turtle
you can make a table like that, yes
noble belfry
okay thx
rigid turtle
np
austere sky
```lua
local function getSubjects(target, plr)
local subject_table ={}
...
You don't need to check if the target is nil like that, doing if not target can work as well with the method I just showcased.
ipairs and and pairs are not needed anymore for a long while, you can replace those with nothing and it will work thanks to an old Luau update.
rigid turtle
me doing target == nil is just a bad habit i have
but the pairs/ipairs thing?
replace them with nothing?
austere sky
You can just erase it
simple nymphBOT
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austere sky
Yes
austere sky
Yes it works faster too
rigid turtle
i understand ipairs is slightly faster that pairs and stuff like that
oh good to know, thanks!
austere sky
No problem
noble belfry
```lua
local function getSubjects(target, plr)
local subject_table ={}
...
so
it seems i understand this
like you said
return is literally return
right?
rigid turtle
yes, pretty much
rigid turtle
yes
austere sky
Many experienced developers use return to exit functions quickly to optimize the...
And this
rigid turtle
right returns don’t always have to be used to return values
they’ll also void all code within the current scope you’re in
noble belfry
Many experienced developers use return to exit functions quickly to optimize the...
i can suppose that in line 3 this is checking if its player and if not its back to start and waiting to be called?
austere sky
i can suppose that in line 3 this is checking if its player and if not its back ...
No, it means the function will just end itself like a kill switch.
noble belfry
or im just not experienced