table.maxn
Lua function

table.maxn

Summary

Returns the highest numeric key in the table

Prototype

n = table.maxn (t)



Description

Returns the highest numeric key in the table, by examining each entry in the entire table. This will necessarily be slower than doing table.getn, but would be needed if the keys have gaps in the sequence.

If the table does not have gaps in the keys, it is faster to use table.getn.



See Also ...

Topics

DOC_lua_base Lua base functions
DOC_lua_bc Lua bc (big number) functions
DOC_lua_bit Lua bit manipulation functions
DOC_lua_coroutines Lua coroutine functions
DOC_lua_debug Lua debug functions
DOC_lua_io Lua io functions
DOC_lua_math Lua math functions
DOC_lua_os Lua os functions
DOC_lua_package Lua package functions
DOC_lua_rex Lua PCRE regular expression functions
DOC_lua Lua script extensions
DOC_lua_string Lua string functions
DOC_lua_tables Lua table functions
DOC_lua_utils Lua utilities
DOC_scripting Scripting

Lua functions

LUA_table.concat table.concat (Concatenates table items together into a string)
LUA_table.foreach table.foreach (Applies a function to each item in a table)
LUA_table.foreachi table.foreachi (Applies a function to each item in a numerically-keyed table)
LUA_table.getn table.getn (Returns the size of a numerically-keyed table)
LUA_table.insert table.insert (Inserts a new item into a numerically-keyed table)
LUA_table.remove table.remove (Removes an item from a numerically-keyed table)
LUA_table.setn table.setn (Sets the size of a table (obsolete))
LUA_table.sort table.sort (Sorts a table)

(Help topic: lua=table.maxn)

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