5b8a7a0917
This commit adds support for a `#[diagnostic::on_unimplemented]` attribute with the following options: * `message` to customize the primary error message * `note` to add a customized note message to an error message * `label` to customize the label part of the error message Co-authored-by: León Orell Valerian Liehr <me@fmease.dev> Co-authored-by: Michael Goulet <michael@errs.io>
12 lines
208 B
Rust
12 lines
208 B
Rust
#![feature(diagnostic_namespace)]
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#[diagnostic::on_unimplemented(message = "Foo", label = "Bar", note = "Baz")]
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trait Foo {}
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fn takes_foo(_: impl Foo) {}
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fn main() {
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takes_foo(());
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//~^ERROR Foo
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}
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