Revision Difference
Global.setmetatable#511278
<function name="setmetatable" parent="Global" type="libraryfunc">⤶
<description>Sets, changes or removes a table's metatable. Returns Tab (the first argument).</description>⤶
<realm>Shared and Menu</realm>⤶
<args>⤶
<arg name="Tab" type="table">The table who's metatable to change.</arg>⤶
<arg name="Metatable" type="table">The metatable to assign.&amp;lt;br /&amp;gt;If it's nil, the metatable will be removed.</arg>⤶
</args>⤶
<rets>⤶
<ret name="" type="table">The first argument.</ret>⤶
</rets>⤶
</function>⤶
⤶
<example>⤶
<description>Creates a metatable and assigns it to a table.</description>⤶
<code>⤶
local Pupil_meta = {⤶
GetName = function(self)⤶
return self.name⤶
end⤶
}⤶
Pupil_meta.__index = Pupil_meta⤶
-- If a key cannot be found in an object, it will look in it's metatable's __index metamethod.⤶
⤶
local Pupil = {⤶
name = "John Doe"⤶
}⤶
⤶
setmetatable(Pupil, Pupil_meta)⤶
⤶
print( Pupil:GetName() )⤶
-- This will look for the "GetName" key in Pupil, but it doesn't have one. So it will look in it's metatable (Pupil_meta) __index key instead.⤶
</code>⤶
<output>"John Doe"</output>⤶
⤶
</example>
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