Macro error

Source
macro_rules! error {
    (parent: $parent:expr, $format:expr $(, $($path:ident).+ = $value:expr)* $(,)?) => { ... };
    ($format:expr $(, $($path:ident).+ = $value:expr)* $(,)?) => { ... };
}
Expand description

Emit a log at the ERROR level.

See the log! macro for more details.