This is an interesting discussion, I've been thinking about some of these
problems as I move towards adding inspections in Cursive. arglist parsing
is a real problem in Clojure. I'd like to be able to flag invocations of
functions with bad arities in the editor, but it's very difficult. Even
defn is complicated, given that its :arglists is:
:arglists '([name doc-string? attr-map? [params*] prepost-map? body]
[name doc-string? attr-map? ([params*] prepost-map? body)+
attr-map?])
and its actual args declaration is:
[&form &env name & fdecl]
There's really no way to parse either of them automatically well. Does
Eastwood use the actual fn declaration or :arglists for linting? What would
it do in the case above? It's impossible to tell if doc-string? is a
boolean or if it's an optional arg.
Oh, and I agree that invalid :arglists as documentation is probably a bad
idea, since it'll inevitably make this sort of tooling more difficult than
it already is.
On 14 January 2014 14:03, Sean Corfield <s...@corfield.org> wrote:
> On Jan 13, 2014, at 3:09 PM, Nicola Mometto <brobro...@gmail.com> wrote:
> > To be honest I don't like the idea of libraries attaching not-valid
> > :arglists meta to Vars at all since the doc[1] for `def` says that
> :arglists
> > will be "a list of vector(s) of argument forms, as were supplied to
> > defn" and the clojure Compiler uses :arglists for type-hints handling.
>
> I agree with you in principle - and I'm happy to change java.jdbc to avoid
> the issue.
>
> Could Eastwood (or j.t.a) flag invalid :arglists? The "example" ones in
> both java.jdbc and congomongo are clearly "invalid" according the special
> forms page (but they silently "work"). Perhaps if Eastwood finds invalid /
> suspicious metadata in :arglists, it could use a different linter warning?
>
> Sean Corfield -- (904) 302-SEAN
> An Architect's View -- http://corfield.org/
>
> "Perfection is the enemy of the good."
> -- Gustave Flaubert, French realist novelist (1821-1880)
>
>
>
>
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