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instance method
Logger#datetime_format=
datetime_format=(datetime_format)
lib/logger.rb
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# File tmp/rubies/ruby-3.3.0/lib/logger.rb, line 432
def datetime_format=(datetime_format)
@default_formatter.datetime_format = datetime_format
end
Sets the date-time format.
Argument datetime_format should be either of these:
-
A string suitable for use as a format for method
Time#strftime. -
nil: the logger uses'%Y-%m-%dT%H:%M:%S.%6N'.