Support generic types that need multiple bounds #377
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error[E0277]: the trait bound `T: UpperHex` is not satisfied
--> tests/test_generics.rs:179:13
|
178 | #[derive(Error, Debug)]
| ----- in this derive macro expansion
179 | #[error("0x{thing:x} 0x{thing:X}")]
| ^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `UpperHex` is not implemented for `T`
|
= note: required for `&T` to implement `UpperHex`
note: required by a bound in `core::fmt::rt::Argument::<'_>::new_upper_hex`
--> $RUSTUP_HOME/toolchains/nightly-aarch64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/fmt/rt.rs:133:29
|
133 | pub fn new_upper_hex<T: UpperHex>(x: &T) -> Argument<'_> {
| ^^^^^^^^ required by this bound in `Argument::<'_>::new_upper_hex`
= note: this error originates in the macro `$crate::format_args` which comes from the expansion of the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
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