slog::critical!
[−]
[src]
macro_rules! critical { ($logger:ident, $msg:expr) => { ... }; ($logger:ident, $msg : expr, $($k:expr => $v:expr),*) => { ... }; }
Log a critical level logging record
#[macro_use] extern crate slog; fn main() { let root = root_logger!("key" => "value"); critical!(root, "something happened", "counter" => 1); }