Roblox Lua Pairs
Pairs vs ipairs by marcus december 15 2011 in programming.
Roblox lua pairs. This function is a stateless iterator it will not retain any information about the last iteration in the memory. In this series dr. So it is slightly faster but the difference is so minuscule that you shouldnt prefer one over the other. Userdata newproxy bool addmetatable false creates a blank userdata.
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. Unlike standard lua 51 robloxs lua cannot load the binary version of lua using loadstring. Marcus 15 marcus 15 members. Adding key value pairs.
From what i can tell ipairs seems to be more useful for iterating. In part 13 we learn about pairs and ipairs also known as generic for loop. 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. Playerpointsname on the same line set the value.
Brian burton walks through the basics of using lua. Reply to this topic. Function table pairs table t returns an iterator function the passed table t and nil so that the. For instance adding players to a dictionary when they join the game and then starting them off with 0 points.
Youll often need to add key value pairs to an existing dictionary. For a faster version that ignores the pairs metamethod. Posted december 15 2011. Local next next local k nexttab while k nil do tabk nil k nexttab k end edit.
So i finally decided to truly learn lua and im a little bit confused. The next method and the table itself.