Roblox lua pairs. Pairs vs ipairs by marcus december 15 2011 in programming. As atsiffiejoe mentions in the comments this can be simplified back into a for loop by replacing the pairs call with its default return value for tables. Additionally to avoid all metamethods use the. In part 13 we learn about pairs and ipairs also known as generic for loop.
Local next next local k nexttab while k nil do tabk nil k nexttab k end edit. Playerpointsname on the same line set the value. For instance adding players to a dictionary when they join the game and then starting them off with 0 points. Reply to this topic.
Userdata newproxy bool addmetatable false creates a blank userdata. Function table pairs table t returns an iterator function the passed table t and nil so that the. Pairs and ipairs are functions that can be used with a for loop to go through each element of an array or dictionary without needing to set starting or ending pointspairs is used with dictionaries and ipairs is used with arraysthe i in ipairs stands for index. From what i can tell ipairs seems to be more useful for iterating.
Next is another iterator function pairs actually calla this function every iteration. This function is a stateless iterator it will not retain any information about the last iteration in the memory. So i finally decided to truly learn lua and im a little bit confused. Type the name of the dictionary followed by the name of the key in brackets.
Posted december 15 2011. Marcus 15 marcus 15 members. So it is slightly faster but the difference is so minuscule that you shouldnt prefer one over the other. Brian burton walks through the basics of using lua.
Unlike standard lua 51 robloxs lua cannot load the binary version of lua using loadstring. Youll often need to add key value pairs to an existing dictionary.