| error[E0277]: `<impl IntoIterator as IntoIterator>::Item` doesn't implement `std::fmt::Display` |
| --> $DIR/issue-97760.rs:4:19 |
| | |
| LL | println!("{x}"); |
| | ^^^ `<impl IntoIterator as IntoIterator>::Item` cannot be formatted with the default formatter |
| | |
| = help: the trait `std::fmt::Display` is not implemented for `<impl IntoIterator as IntoIterator>::Item` |
| = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead |
| = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) |
| help: introduce a type parameter with a trait bound instead of using `impl Trait` |
| | |
| LL ~ pub fn print_values<I: IntoIterator>(values: &I) |
| LL ~ where <I as IntoIterator>::Item: std::fmt::Display { |
| | |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0277`. |
