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The documentation mentions that you can configure the logger like this:
:logger.update_handler_config(:default, :formatter, {Basic, []})
However, this will give a dialyzer error, because
:logger.update_handler_config
requires the options to be a map: https://www.erlang.org/doc/apps/kernel/logger.html#update_handler_config/3 and https://www.erlang.org/doc/apps/kernel/logger.html#t:formatter_config/0.This PR changes the
format/2
callback to supportsopts
that are maps and updates the docs so that users don't get dialyzer errors.