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error: expected one of `:`, `@`, or `|`, found `)`
--> $DIR/param-attrs-2018.rs:3:41
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LL | trait Trait2015 { fn foo(#[allow(C)] i32); }
| ^ expected one of `:`, `@`, or `|`
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= note: anonymous parameters are removed in the 2018 edition (see RFC 1685)
help: if this is a `self` type, give it a parameter name
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LL | trait Trait2015 { fn foo(#[allow(C)] self: i32); }
| +++++
help: if this is a parameter name, give it a type
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LL | trait Trait2015 { fn foo(#[allow(C)] i32: TypeName); }
| ++++++++++
help: if this is a type, explicitly ignore the parameter name
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LL | trait Trait2015 { fn foo(#[allow(C)] _: i32); }
| ++
error: aborting due to previous error
|
