af92a33dee
Currently it relies on special treatment of `kw::Empty`, which is really easy to get wrong. This commit makes the special case clearer in the type system by using `Option`. It's a bit clumsy, but the synthetic name handling itself is a bit clumsy; better to make it explicit than sneak it in. Fixes #133426.
32 lines
1.3 KiB
Plaintext
32 lines
1.3 KiB
Plaintext
error[E0658]: associated const equality is incomplete
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--> $DIR/no-name-for-DefPath-issue-133426.rs:16:23
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LL | fn b(_: impl Iterator<Item = { match 0 { ! } }>) {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^
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= note: see issue #92827 <https://github.com/rust-lang/rust/issues/92827> for more information
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= help: add `#![feature(associated_const_equality)]` to the crate attributes to enable
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= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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error[E0614]: type `!` cannot be dereferenced
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--> $DIR/no-name-for-DefPath-issue-133426.rs:10:19
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LL | match *todo!() { ! };
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| ^^^^^^^^ can't be dereferenced
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error: expected type, found constant
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--> $DIR/no-name-for-DefPath-issue-133426.rs:16:30
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LL | fn b(_: impl Iterator<Item = { match 0 { ! } }>) {}
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| ---- ^^^^^^^^^^^^^^^^^ unexpected constant
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| |
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| expected a type because of this associated type
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note: the associated type is defined here
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--> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL
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error: aborting due to 3 previous errors
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Some errors have detailed explanations: E0614, E0658.
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For more information about an error, try `rustc --explain E0614`.
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