Ruby on Rails:返回值不是blank/empty/false/nil

Question

我有这个

hash = {"foo"=>nil,"bar"=>false,"zoo"=>"monkey","loo"=>"","hoo"=>"   "}

我想拒绝foo, loo和hoo

做那件事的合适方法是什么?

Answer 1

code

p hash.delete_if{|_,v| v.to_s.strip.empty? }