12 lines
423 B
Plaintext
12 lines
423 B
Plaintext
error[E0658]: `impl Trait` in argument position is experimental (see issue #34511)
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--> $DIR/feature-gate-universal.rs:13:11
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LL | fn foo(x: impl std::fmt::Debug) { print!("{:?}", x); }
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| ^^^^^^^^^^^^^^^^^^^^
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= help: add #![feature(universal_impl_trait)] to the crate attributes to enable
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0658`.
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