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kmcallister opened this issue Dec 2, 2013 · 1 comment
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Confusing error message for impl of a nonexistent type #10779

kmcallister opened this issue Dec 2, 2013 · 1 comment

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@kmcallister
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Compiling

impl Foo { }

gives

foo.rs:1:5: 1:8 error: found value name used as a type: DefMod(syntax::ast::DefId{crate: 0, node: 5})
foo.rs:1 impl Foo { }
              ^~~

on

rustc 0.9-pre (67d7be0 2013-10-29 12:02:59 -0700)
host: x86_64-unknown-linux-gnu
@alexcrichton
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Closing as a dupe of #8767, but thanks for the report!

flip1995 pushed a commit to flip1995/rust that referenced this issue Jun 2, 2023
@bors
Auto merge of rust-lang#10779 - Centri3:ptr_cast_constness, r=llogiq
a0fd17d 
Add new lint `ptr_cast_constness`

This adds a new lint which functions as the opposite side of the coin to `ptr_as_ptr`. Rather than linting only as casts that don't change constness, this lints only constness; suggesting to use `pointer::cast_const` or `pointer::cast_mut` instead.

changelog: new lint [`ptr_cast_constness`]
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@alexcrichton @kmcallister