Ruby 数组delete()操作

Array#delete() : delete() 是一个数组类的方法，在删除提到的元素后返回数组。它也可以删除数组中的一个特定元素。

语法： Array.delete()

参数: obj – 要删除的特定元素

返回：数组中最后删除的值。

代码 #1 : delete()方法的例子

# Ruby code for delete() method
# to delete elements
 
# declaring array
a = [18, 22, 33, nil, 5, 6]
 
# declaring array
b = [1, 4, 1, 1, 88, 9]
 
# declaring array
c = [18, 22, nil, nil, 50, 6]
 
# delete 5
puts "delete : #{a.delete(5)}\n\n"
 
# delete 10
# printing if no such element is found
puts "delete : #{b.delete(10){"no such element"}}\n\n"
 
# delete 20
puts "delete : #{c.delete(20)}\n\n"

输出:

delete : 5

delete : no such element

delete : 

代码 #2 : delete()方法的例子

# Ruby code for delete() method
# to delete elements
 
# declaring array
a = ["abc", "nil", "dog"]
 
# declaring array
b = ["cow", nil, "dog"]
 
# declaring array
c = ["cat", nil, nil]
 
# delete
puts "delete : #{a.delete("abc")}\n\n"
 
# delete
# printing if no such element is found
puts "delete : #{b.delete("geek"){"no such element"}}\n\n"
 
# delete
puts "delete : #{c.delete("cat")}\n\n"

输出:

delete : abc

delete : no such element

delete : cat