Revision Difference
Global.ipairs#527837
<function name="ipairs" parent="Global" type="libraryfunc">
<description>
Returns an iterator function for a for loop, to return ordered key-value pairs from a table.
This will only iterate though **numerical** keys, and these must also be **sequential**; starting at 1 with no gaps.
For unordered pairs, see <page>Global.pairs</page>.
⤶
⤶
For pairs sorted by key in alphabetical order, see <page>Global.SortedPairs</page>.⤶
⤶
For pairs sorted by key in alphabetical order, see <page>Global.SortedPairs</page>.⤶
</description>
<realm>Shared and Menu</realm>
<args>
<arg name="tab" type="table">The table to iterate over.</arg>
</args>
<rets>
<ret name="" type="function">The iterator function.</ret>
<ret name="" type="table">The table being iterated over</ret>⤶
<ret name="" type="number">The origin index **=0**</ret>⤶
<ret name="" type="table">The table being iterated over.</ret>⤶
<ret name="" type="number">The origin index **=0**.</ret>⤶
</rets>
</function>
<example>
<description>Demonstrates how this differs from <page>Global.pairs</page>.</description>
<code>
local tbl = { two = 2, one = 1, "alpha", "bravo", [3] = "charlie", [5] = "echo", [6] = "foxtrot" }
print( "pairs:" )
for k, v in pairs( tbl ) do
print( k, v )
end
print( "\nipairs:" )
⤶
print( "\nipairs:" )
for k, v in ipairs( tbl ) do
print( k, v )
end
</code>
<output>
⤶
```⤶
```⤶
pairs:
1 alpha
2 bravo
3 charlie
5 echo
6 foxtrot
one 1
two 2
ipairs:
1 alpha
2 bravo
3 charlie
```
⤶
</output>
⤶
</example>⤶
⤶
⤶
<example>⤶
<description>From `UpdateUI` in [undo.lua](https://github.com/garrynewman/garrysmod/blob/master/garrysmod/lua/includes/modules/undo.lua#L43), this adds the first 32 undo entries to the `Undo` panel in the spawnmenu.</description>⤶
</output>
</example>⤶
⤶
<example>⤶
<description>From `UpdateUI` in [undo.lua](https://github.com/garrynewman/garrysmod/blob/master/garrysmod/lua/includes/modules/undo.lua#L40-L50), this adds the first 100 undo entries to the `Undo` panel in the spawnmenu.</description>⤶
<code>
local NUM = 32⤶
local Limit = 100⤶
local Count = 0
for k, v in ipairs( ClientUndos ) do
local Item = ComboBox:AddItem( tostring( v.Name ) )
⤶
local Item = ComboBox:AddItem( tostring( v.Name ) )
Item.DoClick = function() RunConsoleCommand( "gmod_undonum", tostring( v.Key ) ) end
Count = Count + 1
if ( Count > NUM ) then break end
end⤶
if ( Count > Limit ) then break end
⤶
end⤶
</code>
⤶
</example></example>