Method assert_all_rules_used

crates/wit-bindgen/src/config.rs:151–162

(&self, kind: &str)

    }

    pub(crate) fn assert_all_rules_used(&self, kind: &str) -> Result<()> {
        let mut unused = Vec::new();
        for rule in self.rules.iter().filter(|r| !r.used) {
            unused.push(format!("{:?}: {:?}", rule.filter, rule.flags));
        }

        if unused.is_empty() {
            return Ok(());
        }

        anyhow::bail!("unused `{kind}` rules found: {unused:?}");
    }
}