| error[E0277]: the trait bound `str: UpperHex` is not satisfied |
| --> $DIR/ifmt-unimpl.rs:2:21 |
| | |
| LL | format!("{:X}", "3"); |
| | ---- ^^^ the trait `UpperHex` is not implemented for `str`, which is required by `&str: UpperHex` |
| | | |
| | required by a bound introduced by this call |
| | |
| = help: the following other types implement trait `UpperHex`: |
| isize |
| i8 |
| i16 |
| i32 |
| i64 |
| i128 |
| usize |
| u8 |
| and 20 others |
| = note: required for `&str` to implement `UpperHex` |
| note: required by a bound in `core::fmt::rt::Argument::<'a>::new_upper_hex` |
| --> $SRC_DIR/core/src/fmt/rt.rs:LL:COL |
| = note: this error originates in the macro `$crate::__export::format_args` which comes from the expansion of the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0277`. |
