Automated Resyntax fixes #461
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Keep imports in `require` sorted and grouped by phase, with collections before files.
Internal definitions are recommended instead of `let` expressions, to reduce nesting.
This `map` operation can be replaced with a `for/list` loop.
This `define-syntax` macro can be replaced with a simpler, equivalent `define-syntax-rule` macro.
`cond` with internal definitions is preferred over `if` with `let`, to reduce nesting
Internal definitions are recommended instead of `let` expressions, to reduce nesting.
This `ormap` operation can be replaced with a `for/or` loop.
Using `cond` instead of `if` here makes `begin` unnecessary
Use the `#:when` keyword instead of `when` to reduce loop body indentation.
| (and (pair? p) (equal? (car p) (car r)) (loop (cdr r) (cdr p))) | ||
| (case mode | ||
| [(get-path) | ||
| `(,(cadr root+url+flags) ,@p |
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@jackfirth I'd rather see
(append (list (cadr root+url+flags))
p
(list (if ...)))
here.
In general, I think quasiquote should only be preserved if there exists an item that is not unquote / unquote-splicing. If all of them are unquote / unquote-splicing, either it should be converted to a list or an append.
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I'd use a different rule for this. If I'm thinking of it as an sexpression, I'd use quasiquote and friends; if I'm thinking of it as a list, I'd use append and friends.
So maybe the quasiquote should be preserved by the tool and a user should make this judgment?
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I think it's pretty fuzzy in a lot of cases, so Resyntax is conservative and only takes a hard stance on the cases that seem clearly absurd to me like this:
`(,a ,b ,c)
; just write `(list ...)` man, you're not fooling anyoneIn the code you commented on, I would also prefer to avoid quotation for the same reason as you. But I dislike datum quotations generally and that's a much stronger stance than many Racketeers. So I don't think Resyntax should actively discourage it.
Resyntax fixed 20 issues in 10 files.
tidy-requiremap-to-forif-begin-to-condif-let-to-condormap-to-for/orcond-let-to-cond-definewhen-expression-in-for-loop-to-when-keywordlet-to-definedefine-syntax-syntax-rules-to-define-syntax-rule