Code Block Error

ruby-talk
1

The following code works fine:

counter = 0;
semi_common_tbls.keys.each do |set|
  semi_common_tbls[set].each do |table|
    outfile << ["CommonTables"+counter.to_s,table]
  end
end

However, when I change it like so:

counter = 0;
semi_common_tbls.keys.each do |set|
  counter++
  semi_common_tbls[set].each do |table|
    outfile << ["CommonTables"+counter.to_s,table]
  end
end

I get the following error:
tablebuildv2.rb:46: undefined method `+@' for ["table1", "table5"]:Array
(NoMethodError)
        from tablebuildv2.rb:42:in `each'
        from tablebuildv2.rb:42

What gives?

Thanks,
Drew

···

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2

Well, it seems you can't use ++ as in Java, changed to +=1.

Thanks,
Drew

···

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Posted via http://www.ruby-forum.com/.

3

However, when I change it like so:

counter = 0;
semi_common_tbls.keys.each do |set|
  counter++

Ruby doesn't have a ++ operator. Try:

counter += 1

  semi_common_tbls[set].each do |table|
    outfile << ["CommonTables"+counter.to_s,table]
  end
end

I get the following error:
tablebuildv2.rb:46: undefined method `+@' for ["table1", "table5"]:Array
(NoMethodError)
        from tablebuildv2.rb:42:in `each'
        from tablebuildv2.rb:42

James Edward Gray II

···

On Sep 20, 2006, at 2:24 PM, Drew Olson wrote:

4

Drew Olson wrote:

However, when I change it like so:

counter = 0;
semi_common_tbls.keys.each do |set|
  counter++

'++' is not a Ruby operator, it doesn't have any of the
unary increment/decrement operators.

Closest is
counter += 1

cheers