Implementing configuration files

What does the following configuration file do when implemented in Logger?

config :logger,

compile_time_purge_matching: [

[application: :abc],

[module: Sample, function: “abc/3”, level_lower_than: :error]


  1. It purges all log calls from an application named :abc.
  2. It only keeps errors from
  3. Both Choice 1 and 2
  4. It does not do anything.

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