Paper over privacy issues with Deref by changing field names. #14402
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A hack, but an effective one. |
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r=me if you add FIXME annotations to the field definitions. |
Types that implement Deref can cause weird error messages due to their
private fields conflicting with a field of the type they deref to, e.g.,
previously
struct Foo { x: int }
let a: Arc<Foo> = ...;
println!("{}", a.x);
would complain the the `x` field of `Arc` was private (since Arc has a
private field called `x`) rather than just ignoring it.
This patch doesn't fix that issue, but does mean one would have to write
`a._ptr` to hit the same error message, which seems far less
common. (This patch `_`-prefixes all private fields of
`Deref`-implementing types.)
cc rust-lang#12808
bors
added a commit
that referenced
this pull request
May 25, 2014
Paper over privacy issues with Deref by changing field names.
Types that implement Deref can cause weird error messages due to their
private fields conflicting with a field of the type they deref to, e.g.,
previously
struct Foo { x: int }
let a: Arc<Foo> = ...;
println!("{}", a.x);
would complain the the `x` field of `Arc` was private (since Arc has a
private field called `x`) rather than just ignoring it.
This patch doesn't fix that issue, but does mean one would have to write
`a._ptr` to hit the same error message, which seems far less
common. (This patch `_`-prefixes all private fields of
`Deref`-implementing types.)
cc #12808
bors
added a commit
to rust-lang-ci/rust
that referenced
this pull request
Jun 5, 2023
internal: Reject symlinks in project-json cc rust-lang/rust-analyzer#14168
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Paper over privacy issues with Deref by changing field names.
Types that implement Deref can cause weird error messages due to their
private fields conflicting with a field of the type they deref to, e.g.,
previously
would complain the the
xfield ofArcwas private (since Arc has aprivate field called
x) rather than just ignoring it.This patch doesn't fix that issue, but does mean one would have to write
a._ptrto hit the same error message, which seems far lesscommon. (This patch
_-prefixes all private fields ofDeref-implementing types.)cc #12808