Re: BUG in table.concat

[Petite Abeille <petite.abeille@...>]

On Jun 29, 2008, at 12:54 AM, Leo Razoumov wrote:

> > print( table.concat({[1]=1, [2]=2, [4]=4}, '/') )
>
> stdin:1: bad argument #1 to 'concat' (table contains non-strings)

Well... table.concat works "Given an array where all elements are  
strings or numbers"... nil is neither a string nor a number...

http://www.lua.org/manual/5.1/manual.html#pdf-table.concat

So...

local aList = { 1, 2, nil, 4 }

-- works
print( table.concat( aList, '/', 1, 2 ) )

-- raises an exception
print( table.concat( aList, '/', 1, 3 ) )

In other words... go with the flow... not against it :)

--
PA.
http://alt.textdrive.com/nanoki/