| error[E0277]: `Option<{integer}>` doesn't implement `std::fmt::Display` |
| --> $DIR/format-args-argument-span.rs:13:21 |
| | |
| LL | println!("{x:?} {x} {x:?}"); |
| | ^^^ `Option<{integer}>` cannot be formatted with the default formatter |
| | |
| = help: the trait `std::fmt::Display` is not implemented for `Option<{integer}>` |
| = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead |
| = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) |
| |
| error[E0277]: `Option<{integer}>` doesn't implement `std::fmt::Display` |
| --> $DIR/format-args-argument-span.rs:15:37 |
| | |
| LL | println!("{x:?} {x} {x:?}", x = Some(1)); |
| | ^^^^^^^ `Option<{integer}>` cannot be formatted with the default formatter |
| | |
| = help: the trait `std::fmt::Display` is not implemented for `Option<{integer}>` |
| = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead |
| = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) |
| |
| error[E0277]: `DisplayOnly` doesn't implement `Debug` |
| --> $DIR/format-args-argument-span.rs:18:19 |
| | |
| LL | println!("{x} {x:?} {x}"); |
| | ^^^^^ `DisplayOnly` cannot be formatted using `{:?}` |
| | |
| = help: the trait `Debug` is not implemented for `DisplayOnly` |
| = note: add `#[derive(Debug)]` to `DisplayOnly` or manually `impl Debug for DisplayOnly` |
| = note: this error originates in the macro `$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: consider annotating `DisplayOnly` with `#[derive(Debug)]` |
| | |
| LL + #[derive(Debug)] |
| LL | struct DisplayOnly; |
| | |
| |
| error[E0277]: `DisplayOnly` doesn't implement `Debug` |
| --> $DIR/format-args-argument-span.rs:20:35 |
| | |
| LL | println!("{x} {x:?} {x}", x = DisplayOnly); |
| | ^^^^^^^^^^^ `DisplayOnly` cannot be formatted using `{:?}` |
| | |
| = help: the trait `Debug` is not implemented for `DisplayOnly` |
| = note: add `#[derive(Debug)]` to `DisplayOnly` or manually `impl Debug for DisplayOnly` |
| = note: this error originates in the macro `$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: consider annotating `DisplayOnly` with `#[derive(Debug)]` |
| | |
| LL + #[derive(Debug)] |
| LL | struct DisplayOnly; |
| | |
| |
| error: aborting due to 4 previous errors |
| |
| For more information about this error, try `rustc --explain E0277`. |