Static MALFORMED_DIAGNOSTIC_FORMAT_LITERALS 

pub static MALFORMED_DIAGNOSTIC_FORMAT_LITERALS: &Lint

The malformed_diagnostic_format_literals lint detects malformed diagnostic format literals.

Example

#[diagnostic::on_unimplemented(message = "{Self}} does not implement `Trait`")]
trait Trait {}

{{produces}}

Explanation

The #[diagnostic::on_unimplemented] attribute accepts string literal values that are similar to format!’s string literal. See the reference for details on what is permitted in this string literal.