红宝石 |数组删除()操作
Array#delete() : delete()是一个 Array 类方法,它在删除提到的元素后返回数组。它还可以删除数组中的特定元素。
Syntax: Array.delete()
Parameter: obj - specific element to delete
Return: last deleted values from the array.
代码 #1:delete() 方法的示例
Ruby
# 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"
Ruby
# 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 : 5
delete : no such element
delete :
代码 #2:delete() 方法的示例
红宝石
# 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