Difference between revisions of "Setmetatable"

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__NOTOC__
 
__NOTOC__
 
'''Available since:''' Gideros 2011.6<br/>
 
'''Available since:''' Gideros 2011.6<br/>
 +
'''Class:''' [[(global)]]<br/>
 +
 
=== Description ===
 
=== Description ===
Sets the `metatable` for the given table. (You cannot change the `metatable` of other types from Lua, only from C.) If `metatable` is nil, removes the `metatable` of the given table. If the original `metatable` has a "__metatable" field, raises an error.
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Sets the ''metatable'' for the given table.
 +
<syntaxhighlight lang="lua">
 +
(table) = setmetatable(table,metatable)
 +
</syntaxhighlight>
  
 +
You cannot change the ''metatable'' of other types from Lua, only from C.
  
  This function returns table.
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If ''metatable'' is nil, removes the ''metatable'' of the given table.
<source lang="lua">
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(table) = setmetatable(table,metatable)
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If the original ''metatable'' has a "__metatable" field, raises an error.
</source>
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'''table''': (table) table to set metatable to ''''''<br/>
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  This function returns a table.
'''metatable''': (varies) value to use as metatable ''''''<br/>
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 +
=== Parameters ===
 +
'''table''': (table) table to set metatable to<br/>
 +
'''metatable''': (varies) value to use as metatable<br/>
 +
 
 +
=== Return values ===
 
'''Returns''' (table) provided table<br/>
 
'''Returns''' (table) provided table<br/>
 +
 +
=== See also ===
 +
'''https://luau.org/library#global-functions'''<br/>
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 +
{{(global)}}

Latest revision as of 12:26, 21 July 2025

Available since: Gideros 2011.6
Class: (global)

Description

Sets the metatable for the given table.

(table) = setmetatable(table,metatable)
You cannot change the metatable of other types from Lua, only from C.

If metatable is nil, removes the metatable of the given table.

If the original metatable has a "__metatable" field, raises an error.

This function returns a table.

Parameters

table: (table) table to set metatable to
metatable: (varies) value to use as metatable

Return values

Returns (table) provided table

See also

https://luau.org/library#global-functions