Haml doesn't print attributes with value nil. The problem here is that
cycle always returns a string, so you're actually cycling between "" and
"alt_table_row". The solution is to make Haml treat empty attributes the
same way it treats nil attributes, which I think is reasonable behavior,
and which I just added to trunk. If you want to stick with stable, then
I would say make a helper that wraps cycle:
def cycle_with_nils(first_value, *values)
result = cycle(first_value, *values)
result.empty? ? nil : result
end
and use
%tr{ :class => cycle_with_nils(nil, 'alt_table_row') }
- Nathan
shaners wrote:
> i want to end up with this:
>
> <tr></tr>
> <tr class='alt_table_row'></tr>
>
> the best i could figure out is to do this:
>
> %tr{ :class => cycle(nil, 'alt_table_row') }
>
> but that leaves me with this on the rows that should have no class:
>
> <tr class=''></tr>
>
>
> is there a way to do this without doing a hash with a class in it?
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