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vlt
vlt.mt
vlt_ppx
Vlt.Level
This module defines the various levels of log, as well as some utility functions over levels.
type error =
| Invalid_level_string of string
| Invalid_level_int of int
exception Exception of error
type t =
| FATAL
Level for errors leading to program termination.
| ERROR
Level for errors handled by the program.
| WARN
Level for for hazardous circumstances.
| INFO
Level for coarse-grained information.
| DEBUG
Level for debug information.
| TRACE
Level for fine-grained information.
The type of logging levels.
val levels : t list
The list of all levels, in ascending order (i. e. from FATAL to TRACE).
FATAL
TRACE
val to_string : t -> string
Converts the passed level into a string.
val of_string : string -> t
Converts the passed string into a level. The string is converted from its uppercase form.
Raises Exception if the passed string is not valid.
Exception
val to_int : t -> int
Converts the passed level into an integer.
val of_int : int -> t
Converts the passed integer into a level.
Raises Exception if the passed integer is not valid.