[rustc.git] / vendor / chalk-solve-0.25.0 / src / logging.rs

/// Run an action with a tracing log subscriber. The logging level is loaded
/// from `CHALK_DEBUG`.
#[cfg(feature = "tracing-full")]
pub fn with_tracing_logs<T>(action: impl FnOnce() -> T) -> T {
    use tracing_subscriber::{layer::SubscriberExt, EnvFilter, Registry};
    use tracing_tree::HierarchicalLayer;
    let filter = EnvFilter::from_env("CHALK_DEBUG");
    let subscriber = Registry::default()
        .with(filter)
        .with(HierarchicalLayer::new(2));
    tracing::subscriber::with_default(subscriber, action)
}

/// Run an action with a tracing log subscriber. The logging level is loaded
/// from `CHALK_DEBUG`.
#[cfg(not(feature = "tracing-full"))]
pub fn with_tracing_logs<T>(action: impl FnOnce() -> T) -> T {
    action()
}
Commit	Line	Data
1b1a35ee XL	1	/// Run an action with a tracing log subscriber. The logging level is loaded
	2	/// from `CHALK_DEBUG`.
	3	#[cfg(feature = "tracing-full")]
	4	pub fn with_tracing_logs<T>(action: impl FnOnce() -> T) -> T {
	5	use tracing_subscriber::{layer::SubscriberExt, EnvFilter, Registry};
	6	use tracing_tree::HierarchicalLayer;
	7	let filter = EnvFilter::from_env("CHALK_DEBUG");
	8	let subscriber = Registry::default()
	9	.with(filter)
	10	.with(HierarchicalLayer::new(2));
	11	tracing::subscriber::with_default(subscriber, action)
	12	}
	13
	14	/// Run an action with a tracing log subscriber. The logging level is loaded
	15	/// from `CHALK_DEBUG`.
	16	#[cfg(not(feature = "tracing-full"))]
	17	pub fn with_tracing_logs<T>(action: impl FnOnce() -> T) -> T {
	18	action()
	19	}