scope-macros.rs

#[macro_use(o, slog_log, slog_trace, slog_debug, slog_info, slog_warn, slog_error)]
extern crate slog;
#[macro_use]
extern crate slog_scope;
extern crate slog_term;

use slog::DrainExt;

fn main() {
	slog_scope::set_global_logger(slog::Logger::root(slog_term::streamer().build().fuse(), o![]));

	info!("Info message using the global logger");

	slog_scope::scope(slog_scope::logger().new(o!("where" => "Test logging scope")), || {
		warn!("You are sending this to a composed logger");
		info!("You can also call any functions and the logger of the current scope will be used");
	});

	debug!("This is sent to the global logger, the scoped logger was popped");
}