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✓ ANSWER ACCEPTED

For loop retrieving a dictionary within a table?

Asked 512 views1 answers

Basically what I have been trying to do is get all the keys in a dictionary and what their value is, however, those dictionaries are in an array so I don't know how to retrieve them from the for loop in ipairs.

local codes = {}
codes[1] = {
	Code = "TestCode",
	Expires = false
}
codes[2] = {
	Code = "ExpiringCode",
	Expires = true,
	ExpYear = "2020",
	ExpMonth = "11",
	ExpDay = "8",
	ExpTime = "13:08"
}
for key, value in ipairs() do --What to put in pairs()?
	print(key.. ": ".. value)
end

I have already tried to put codes[2] in the for loop and it did not work.

Thank you for taking the time to read this, it is very much appreciated! :D

AnonymousEdited

1 comment

0

You need to do a double for loop. So for i,v in pairs(value) inside of the original for key,value in pairs.

Anonymous#

1 answer

✓ Accepted answer

To iterate through an array made of arrays you would need a nested loop; The first one would go through the arrays and the second would go through each individual array inside of it.

But the reason you just iterating through codes[2] didnt work is because its a dictionary and you tried to use ipairs

ipairs can only be used for indexed arrays, meaning that the keys are numeric. To loop through a dictionary you can use pairs.

pairs would work for both dictionaries and arrays, but ipairs is slightly faster so for arrays its best you use that.

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