rename the Ptr trait to RawPtr #6913
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flip1995
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Apr 8, 2021
Destructure args in `methods`
changelog: none
This changes the main pattern in `methods` to match and destructure the method call args at the same time as the method name, and pass individual arg `Expr`s to the lint impls.
```rust
// before
["expect", ..] => expect::check(cx, expr, arg_lists[0]);
// after
("expect", [arg]) => expect::check(cx, expr, recv, arg);
```
This makes the code safer since there is no risk of out of bounds `args[n]` everywhere. There will be no more collecting `method_names`, `arg_lists`, `method_spans` as a separate step - everything comes out of the `match`es. Chained methods are parsed in a nested `match`. This makes the code more verbose in some ways, but IMO it is much easier to follow.
~Definitely should wait for rust-lang#6896. Just putting out the idea.~
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Closes #6607
I went with
RawPtrinstead ofUnsafePtrbecause not all of these operations areunsafe, so to me it makes more sense to refer to it as a "raw" (not wrapped/abstracted) pointer. If we decide on something else in #6608 it can be renamed again.