Logger#<<

(untyped msg) -> (untyped | nil)

<<(msg)

# File tmp/rubies/ruby-3.4.1/lib/logger.rb, line 689
def <<(msg)
  @logdev&.write(msg)
end

Writes the given msg to the log with no formatting; returns the number of characters written, or nil if no log device exists:

Example

logger = Logger.new($stdout)
logger << 'My message.' # => 10

Output:

My message.

See also .new #add #close also in 3.3 · 3.2 · 3.1 · 3.0