--- max

    Ǥ֤ޤǤߤ <=> ᥽åɤӤǤ
    뤳ȤꤷƤޤ

--- max {|a, b| ... }

    ֥åɾͤ򸵤˳ǤӤǤ֤ޤ

    ֥åͤϡa>b ΤȤa==b ΤȤ 0a<b 
    ΤȤ򡢴ԤƤޤ֥åʳ֤Ȥ
    㳰 TypeError ȯޤ

