Re: A tricky way to determine Lua version
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- Subject: Re: A tricky way to determine Lua version
- From: Ulrich Schmidt <u.sch.zw@...>
- Date: 2016年5月21日 09:20:45 +0200
Am 21.05.2016 um 09:13 schrieb Sean Conner:
It was thus said that the Great Vadim A. Misbakh-Soloviov once stated:
Mine relies upon strings still having a metatable.
But lacks luajit ;)
Nah. If version is nil, it's LuaJIT.
-spc (nil can't be a table key, see ... )
Thats all true. I still like Egors version because it is simple to use.
(without nil tests.) and the results can be changed eg.
function needs_setfenv()
local f, t = function() return function() end end, {nil,
[false] = true, --'5.1',
[true] = false, --'5.2',
[1/'-0'] = false, --'5.3',
[1] = true, --'JIT'
}
return t[1] or t[1/0] or t[f()==f()];
end;
Ulrich