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2.6 Logging functions

To use the functions described in this section, you will need to load the (lepton log) module.

Function: log! level message [format-args...] ¶

Emit a log message with the specified level. The message is interpreted as a format string, with format-args as its parameters.

The level should be one of the symbols error, critical, warning, message, info or debug.

Note: if level is set to error, main program will terminate.

Generally, if the level is not debug, then the message should be localised.