2019-04-20 13:27:36 +09:00

22 lines
347 B
Ruby

# frozen_string_literal: true
class IO
def readline_nonblock(sep = $INPUT_RECORD_SEPARATOR)
line = +""
buffer = +""
loop do
break if buffer == sep
read_nonblock(1, buffer)
line.concat(buffer)
end
line.freeze
rescue IO::WaitReadable, EOFError => e
raise e if line.empty?
line.freeze
end
end