arrays - How to iterate through table in Lua? - Stack Overflow
Jul 3, 2013 · Edit: Note that Lua doesn't guarantee any iteration order for the associative part of the table. If you want to access the items in a specific order, retrieve the keys from arr and sort it.
How to get number of entries in a Lua table? - Stack Overflow
The table is the best place to keep the information about the current object count, when used as container. For example when the table is used as a Set.
Why does Lua's length (#) operator return unexpected values?
May 11, 2014 · Quoting the Lua 5.2 Reference manual: the length of a table t is only defined if the table is a sequence, that is, the set of its positive numeric keys is equal to {1..n} for some …
lua - How to merge two tables overwriting the elements which are …
Aug 18, 2021 · I need to merge two tables, with the contents of the second overwriting contents in the first if a given item is in both. I looked but the standard libraries don't seem to offer this. …
How to keep the order of a Lua table with string keys?
Oct 9, 2013 · 6 In Lua, only tables with 1-based consecutive integer keys (a.k.a. array tables) can be parsed in order. So, if you want to parse a table t in order, what you do is: collecting its …
Nested tables and numerical keys in Lua - Stack Overflow
Feb 15, 2014 · Lua defines length for a table as the number of values in a table if you start counting from numerical index 1 until you reach the first nil value. Since someTable[4] is nil, …
How to quickly initialise an associative table in Lua?
How to quickly initialise an associative table in Lua? Asked 16 years, 10 months ago Modified 4 months ago Viewed 56k times
lua - What exactly does table.move do, and when would I use it?
Oct 24, 2020 · The reference manual has this to say about the table.move function, introduced in Lua 5.3: table.move (a1, f, e, t [,a2]) Moves elements from table a1 to table a2, performing the …
c - Iterate through Lua Table - Stack Overflow
May 3, 2016 · The Lua value must be a string or a number; otherwise, the function returns NULL. If the value is a number, then lua_tolstring also changes the actual value in the stack to a …
What is the difference between Lua tables and classes?
Apr 22, 2016 · Lua (ignoring C API stuff) has exactly one complex data structure: tables. You can create a class using a table. You can create all kinds of things using a table. Lua tables are …