rust/src/test/run-pass/log-poly.rs

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enum Numbers {
    Three
}

fn main() {
    debug!(1);
    info!(2.0);
    warn!(Three);
    error!(~[4]);
}
Make debug!, etc. macros not require a format string The one thing `log` can still do is polymorphically log anything, but debug!, etc. require a format string. With this patch you can equivalently write `debug!(foo)` or `debug!("%?", foo)` 2013-03-08 02:45:22 +00:00			`enum Numbers {`
			`Three`
			`}`

			`fn main() {`
			`debug!(1);`
			`info!(2.0);`
			`warn!(Three);`
			`error!(~[4]);`
			`}`