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Improve pretty printing of const raw pointers #65349
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…mertj Better pretty printing for const raw pointers closes rust-lang#65349, hopefully.
…mertj Better pretty printing for const raw pointers closes rust-lang#65349, hopefully.
Woah people use raw pointers as const generic arguments and then feed them integers cast to raw pointers? That is so scary.^^ |
No-one's using pointers with const generics right now (I hope): but it does work, and diagnostics are something we would want to improve if we ever did consider stabilising this feature. It's more of a reminder. |
Would it be possible to have a counter for whenever a const pointer is accessed, so that the above message would look something like:
(numbers chosen arbitrarily here) At least as a temporary solution. A future solution would hopefully add "note: {pointer#4} points to `15: usize`" and "note: {pointer#89} points to `10: usize`" (or whatever integer type it thinks of) |
This should not be an issue with |
#64986 changed the pretty-printing of const raw pointers to
{pointer}
. This can cause confusing diagnostics due to the lack of detail the printing of raw pointers provides, like the following:The text was updated successfully, but these errors were encountered: