Prism::Source#find_line

# File tmp/rubies/ruby-3.3.0/lib/prism/parse_result.rb, line 63
def find_line(byte_offset)
  left = 0
  right = offsets.length - 1

  while left <= right
    mid = left + (right - left) / 2
    return mid if offsets[mid] == byte_offset

    if offsets[mid] < byte_offset
      left = mid + 1
    else
      right = mid - 1
    end
  end

  left - 1
end