_strptime

# File lib/date/format.rb, line 574
  def self._strptime(str, fmt='%F')
    str = str.dup
    e = Format::Bag.new
    return unless _strptime_i(str, fmt, e)

    if e._cent
      if e.cwyear
        e.cwyear += e._cent * 100
      end
      if e.year
        e.  year += e._cent * 100
      end
    end

    if e._merid
      if e.hour
        e.hour = 12
        e.hour += e._merid
      end
    end

    unless str.empty?
      e.leftover = str
    end

    e.to_hash
  end