我有一个唯一元素的数组。是否有一种方式可以在不使用索引值的情况下将其中某个值替换为另一个值?
示例:
array = [1,2,3,4]
if array.include? 4
# "replace 4 with 'Z'"
end
array #=> [1,2,3,'Z']
hash = {"One" => [1,2,3,4]}
if hash["One"].include? 4
# "replace 4 with 'Z'"
end
hash #=> {"One" => [1,2,3,'Z']}
array = [1,4,4]; if array.include? 4 # 将4替换为'Z'
? - Cary Swoveland