Yes! And `make-tentative-pretty-print-output-port' is helpful mostly
because grepping for it in the source led me to racket/set.rkt, which
is like an extended example.
Thanks!
Neil ⊥
On 07/08/2012 09:17 AM, Matthew Flatt wrote:
Do `prop:custom-print-quotable' and/or
`make-tentative-pretty-print-output-port' from `racket/pretty' help?
At Sat, 07 Jul 2012 11:40:49 -0700, Neil Toronto wrote:
I've got an array structure like so:
(struct: (A) strict-array ([shape : (Listof Index)]
[data : (Vectorof A)])
Say I have this value:
(strict-array '(2 2) #(1 2 3 4))
I want it to print like this at the REPL:
#strict-array '(2 2) '[[1 2] [3 4]]
If there's not enough room, I want this:
#strict-array
'(2 2)
'((1 2) (3 4))
If it happens to be in a list, I want this:
(list #strict-array '(2 2) '[[1 2] [3 4]])
and definitely NOT '(#strict-array '(2 2) '[[1 2] [3 4]]) because the
inner quotes are confusing.
How do I do that with prop:custom-write? The only way I've found so far
to get nicely formatted output is to write/display/print a list, but
then the quotes get messed up. I haven't found a way to keep the REPL
from quoting lists of structs, except to go with the default printer,
which flattens arrays, which makes them hard to read.
This is frustrating.
Neil ⊥
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