Hi Ben,
as Jens has pointed out, it pays off to read the context of an exercise (like
in the real world). The second exercise states
> If the terminology poses any difficulties, do re-read BSL Grammar.
where “BSL Grammar” is a link that explains BSL via a data definition (that’s
what a gram
> I hope this is heading in the right direction.
Looks fine to me.
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Hi Jens
Thanks for the reply.
I was working through it with some free time today, and I think my data
definition works. The other big problem I was having was the body for the
user-defined function. As you said, ex 356 isn't concerned about that aspect.
This is what was/is throwing me off. My
Hi Ben,
Adding syntax for both applications, user defined functions and adding
evaluation of these in the same execise, is a bit much.
It is therefore split up into exercise 356, 357, 358 and 359.
Exercise 356 is only about extending the data definition such that
applications can be represented.
I've been working my way through HtDP on and off over the past several months.
I've generally been able to figure it out on my own (even if it takes awhile).
However, Intertwined Data has given me a couple problems that I just can't seem
to wrap my head around.
The major one is 21.3 "Interpreti
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