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新手问题 Ruby 怎样判断一个数字是整数还是小数？

easonlovejiven · February 27, 2015 · Last by msl12 replied at March 03, 2017 · 4524 hits

ruby 怎样判断一个数字是整数还是小数？

blacktulip #1 February 27, 2015

Now this will blow PO's mind:

puts 1.is_a? Integer
puts 2.5.is_a? Float
puts 2.5.is_a? Integer
puts 1.is_a? Float
huacnlee #2 February 27, 2015

楼主发了这么多贴了，还不知道怎么起标题？！

saxer #3 February 28, 2015

怎样发帖啊

msl12 #4 March 03, 2017 
a == a.to_i ? true : false
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