Expand description
Convenience macros for logging with optional slog Logger
s.
§Example
#[derive(Default)]
struct HasOptLogger {
logger: Option<Logger>,
}
let mut opt_logger: HasOptLogger = Default::default();
try_info!(opt_logger.logger, "You won't see me output. The logger is None."; "opt" => "None");
try_info!(opt_logger.logger, #"imatag", "You won't see me output. The logger is None."; "opt" => "None");
// Setup a `Logger`
opt_logger.logger = Some(logger);
try_info!(opt_logger.logger, "You will see me output!"; "opt" => "Some");
try_info!(opt_logger.logger, #"imatag", "You will see me output!"; "opt" => "Some");
Macros§
- crit
- Log critical level record
- debug
- Log debug level record
- error
- Log error level record
- info
- Log info level record
- trace
- Log trace level record
- try_
crit - Log a crit level message if the given logger is
Some
,, otherwise do nothing. - try_
debug - Log a debug level message if the given logger is
Some
, otherwise do nothing. - try_
error - Log an error level message if the given logger is
Some
, otherwise do nothing. - try_
info - Log an info level message if the given logger is
Some
, otherwise do nothing. - try_
trace - Log a trace level message if the given logger is
Some
, otherwise do nothing. - try_
warn - Log a warn level message if the given logger is
Some
, otherwise do nothing. - warn
- Log warning level record