Macro `warn`

macro_rules! warn {
    (logger: $logger:expr, target: $target:expr, $($arg:tt)+) => { ... };
    (logger: $logger:expr, $($arg:tt)+) => { ... };
    (target: $target:expr, $($arg:tt)+) => { ... };
    ($($arg:tt)+) => { ... };
}

Logs a message at the warn level.

Examples

use log::warn;

# let my_logger = log::__private_api::GlobalLogger;
let warn_description = "Invalid Input";

warn!("Warning! {warn_description}!");
warn!(target: "input_events", "App received warning: {warn_description}");
warn!(logger: my_logger, "App received warning: {warn_description}");