Explain the difference between ActiveSupport’s "HashWithIndifferentAccess" and Ruby’s "Hash"?

Explain the difference between ActiveSupport’s "HashWithIndifferentAccess" and Ruby’s "Hash"?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: hard

标签: interviewbit, ruby-on-rails, topic-specific, ruby, rails, backend

参考答案摘要

The "HashWithIndifferentAccess" class treats symbol and string keys as equivalent, whereas Ruby's "Hash" class uses a tighter = = comparison on keys: thus a comparable string key will not get the valu...

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