Mercurial > prosody-hg
comparison util/bitcompat.lua @ 13624:de902cc0d46c
util.bitcompat: Avoid potential noise from global metatable
If this module is require'd from a plugin on a Lua version without the
global bit32 library, it may trip a warning about accessing globals.
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Wed, 15 Jan 2025 09:55:28 +0100 |
| parents | d10957394a3c |
| children |
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| 13623:e226f9632a48 | 13624:de902cc0d46c |
|---|---|
| 1 -- Compatibility layer for bitwise operations | 1 -- Compatibility layer for bitwise operations |
| 2 | 2 |
| 3 -- First try the bit32 lib | 3 -- First try the bit32 lib |
| 4 -- Lua 5.3 has it with compat enabled | 4 -- Lua 5.3 has it with compat enabled |
| 5 -- Lua 5.2 has it by default | 5 -- Lua 5.2 has it by default |
| 6 if _G.bit32 then | 6 if rawget(_G, "bit32") then |
| 7 return _G.bit32; | 7 return _G.bit32; |
| 8 end | 8 end |
| 9 | 9 |
| 10 do | 10 do |
| 11 -- Lua 5.3 and 5.4 would be able to use native infix operators | 11 -- Lua 5.3 and 5.4 would be able to use native infix operators |