delayed evaluation

I managed to get around the compiler flag by using the build manager cm,
though if anyone has any insight as to how to get around that it would
be great. However, I was wondering how I could write something like


val rec lazy fibs = scons(1,(scons(1,addStreams fibs (tail fibs))))

where addStreams takes 2 streams and adds them and scons takes a value
and a stream and returns a new stream. This gives me the syntax error

/tmp/sml11246KJy:9.14 Error: syntax error: inserting  EQUALOP

thanks for any help!
--Jacques




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