package owl-base

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package owl-base
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Module Owl_logSource

Log module provides logging functionality.

Type definition
Sourcetype level =
  1. | DEBUG
  2. | INFO
  3. | WARN
  4. | ERROR
  5. | FATAL
    (*

    Type definition of log levels, priority is from low to high. Using ``set_level`` function to set global logging level to high one can mask the output from low level loggging.

    *)
Configuration functions
Sourceval set_level : level -> unit

This function sets the global logging level. Low level logging will be omitted.

Sourceval set_output : out_channel -> unit

This function sets the channel for the logging output. The default one is the standard output.

Sourceval set_color : bool -> unit

``set_color true`` turns on the colour; ``set_color false`` turns it off.

Log functions
Sourceval debug : ('a, out_channel, unit) format -> 'a

This function outputs log at ``DEBUG`` level.

Sourceval info : ('a, out_channel, unit) format -> 'a

This function outputs log at ``INFO`` level.

Sourceval warn : ('a, out_channel, unit) format -> 'a

This function outputs log at ``WARN`` level.

Sourceval error : ('a, out_channel, unit) format -> 'a

This function outputs log at ``ERROR`` level.

Sourceval fatal : ('a, out_channel, unit) format -> 'a

This function outputs log at ``FATAL`` level.

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