WoW:API newproxy: Difference between revisions
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(New page: {{wowapi}} __NOTOC__ <!-- Describe the purpose of the function, exhausting detail can be saved for a later section --> Creates a zero-size "userdata" object, optionally with a sharable me...) |
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<!-- Describe the purpose of the function, exhausting detail can be saved for a later section --> | <!-- Describe the purpose of the function, exhausting detail can be saved for a later section --> | ||
Creates a zero-size "userdata" object, optionally with a sharable empty metatable. | Creates a zero-size "userdata" object, optionally with a sharable empty metatable. | ||
| Line 11: | Line 10: | ||
:(boolean or otherproxy) | :(boolean or otherproxy) | ||
:;boolean : Whether to create a metatable for the userdata. | :;boolean | ||
:;otherproxy : If an object previously created by newproxy is passed, the new userdata will share that proxy's metatable. | :: Whether to create a metatable for the userdata. | ||
:;otherproxy | |||
:: If an object previously created by newproxy is passed, the new userdata will share that proxy's metatable. | |||
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<!-- List each return value, together with its type --> | <!-- List each return value, together with its type --> | ||
:;obj : Userdata (an opaque block of memory) | :;obj | ||
:: Userdata (an opaque block of memory) | |||
== Details == | == Details == | ||
The newproxy function is an undocumented part of the Lua 5 base library. | The newproxy function is an undocumented part of the Lua 5 base library. It is included here because it | ||
is used in the implementation of the Secure Headers added in WoW 3.0 (see FrameXML\SecureHandlers.lua), and | is used in the implementation of the Secure Headers added in WoW 3.0 (see FrameXML\SecureHandlers.lua), and | ||
addon authors looking over that code are likely to be curious about what it does. | addon authors looking over that code are likely to be curious about what it does. | ||
For more details, see http://lua-users.org/wiki/HiddenFeatures (including the links into the lua-users mailing | For more details, see http://lua-users.org/wiki/HiddenFeatures (including the links into the lua-users mailing | ||
list at the end of that section). | list at the end of that section). A concise summary is [http://lua-users.org/lists/lua-l/2003-01/msg00205.html here]. | ||
Latest revision as of 04:46, 15 August 2023
← WoW Lua
Creates a zero-size "userdata" object, optionally with a sharable empty metatable.
obj = newproxy(boolean or otherproxy)
Arguments[edit]
- (boolean or otherproxy)
- boolean
- Whether to create a metatable for the userdata.
- otherproxy
- If an object previously created by newproxy is passed, the new userdata will share that proxy's metatable.
Returns[edit]
- obj
- Userdata (an opaque block of memory)
Details[edit]
The newproxy function is an undocumented part of the Lua 5 base library. It is included here because it is used in the implementation of the Secure Headers added in WoW 3.0 (see FrameXML\SecureHandlers.lua), and addon authors looking over that code are likely to be curious about what it does.
For more details, see http://lua-users.org/wiki/HiddenFeatures (including the links into the lua-users mailing list at the end of that section). A concise summary is here.