On Thu, Dec 10, 2009 at 9:15 AM, ngocdaothanh <ngocdaoth...@gmail.com> wrote:
> Hi,
>
> I want to ask about code arrangement and understandability
> (readability).
>
> Consider this "normal" code:
> x = 1
> ...
> f(x)
> ...
> y = x + 2
> ...
> g(y)
>
> x, f, y, g have the same "abstractness" level, so they are indented to
> the same level.
In what sense do they have the 'same abstractness level'? What do you
mean by abstractness? g(y) depends upon y; y depends upon x; nothing
depends upon f(x), so presumably it is being called for side effects.
I don't see anything similar about them.
You could also write
(let [x 1
_ (f x)
y (+ x 2)
_ (g y)]
...)
which puts them all at the same nesting level.
Best,
Graham
>
> My Clojure code:
> (let [x 1]
> ...
> (f x)
> ...
> (let [y (+ x 2)]
> ...
> (g y)))
>
> It is very difficult to capture the "algorithm" behind the Clojure
> code because things of the same "abstractness" level do not have the
> same indent level.
>
> How to rearrange the Clojure code for understandability?
>
> I have been studying Clojure for several months now but I could never
> "get" it. But I couldn't explain why I couldn't get it, I just didn't
> know why. But today I think I have found the reason: I think the
> problem of Clojure (and Lisp) is not parenthesis, its problem is
> indent.
>
> I think if I can "let over" this problem, I will be enlightened. Would
> you please help me?
>
> Thank you,
> Ngoc
>
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