Re: Lua 5.2 Length Operator and tables (bug?)
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- Subject: Re: Lua 5.2 Length Operator and tables (bug?)
- From: Petite Abeille <petite.abeille@...>
- Date: 2012年4月19日 00:48:07 +0200
On Apr 19, 2012, at 12:46 AM, Petite Abeille wrote:
>> To be more literal with the manual, one could reshuffle things a bit, something along these lines:
>
> ooops… never mind… one will need to keep a state or something to check if there was at least one numerical key… oh, well…
Perhaps something like this:
local function is_seq( aTable )
local isSeq = false
for aKey in pairs( aTable ) do
if type( aKey ) == 'number' and aKey > 0 and aKey == math.floor( aKey ) then
if aTable[ math.max( aKey - 1, 1 ) ] == nil then
return false
else
isSeq = true
end
end
end
return isSeq
end
- References:
- Re: Lua 5.2 Length Operator and tables (bug?), Joseph Manning
- Re: Lua 5.2 Length Operator and tables (bug?), Coda Highland
- Re: Lua 5.2 Length Operator and tables (bug?), Dirk Laurie
- Re: Lua 5.2 Length Operator and tables (bug?), Coda Highland
- Re: Lua 5.2 Length Operator and tables (bug?), joao lobato
- Re: Lua 5.2 Length Operator and tables (bug?), Coda Highland
- Re: Lua 5.2 Length Operator and tables (bug?), joao lobato
- Re: Lua 5.2 Length Operator and tables (bug?), Eduardo Ochs
- Re: Lua 5.2 Length Operator and tables (bug?), Roberto Ierusalimschy
- Re: Lua 5.2 Length Operator and tables (bug?), Petite Abeille
- Re: Lua 5.2 Length Operator and tables (bug?), Roberto Ierusalimschy
- Re: Lua 5.2 Length Operator and tables (bug?), Petite Abeille
- Re: Lua 5.2 Length Operator and tables (bug?), Petite Abeille