Equivalent of "continue" in Ruby
In C and many other languages, there is a continue
keyword that, when used inside of a loop, jumps to the next iteration of the loop. Is there any equivalent of this continue
keyword in Ruby?
Yes, it's called next
.
for i in 0..5
if i < 2
next
end
puts "Value of local variable is #{i}"
end
This outputs the following:
Value of local variable is 2
Value of local variable is 3
Value of local variable is 4
Value of local variable is 5
=> 0..5
next
另外,看看redo
当前迭代的redo
。
Writing Ian Purton's answer in a slightly more idiomatic way:
(1..5).each do |x|
next if x < 2
puts x
end
Prints:
2
3
4
5
链接地址: http://www.djcxy.com/p/26778.html
上一篇: 布尔运算符&&和
下一篇: 等同于Ruby中的“继续”