Date Once
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Date Once - Presentation Transcript
- Inside Date.once Understanding some of the more interesting code in the Ruby core
- The Problem
- The Problem Instances of Date are immutable
- The Problem Instances of Date are immutable Many methods involve complex calculations
- The Problem Instances of Date are immutable Many methods involve complex calculations Caching of results is desirable
- The Problem Instances of Date are immutable Many methods involve complex calculations Caching of results is desirable Want to keep the code clean and uncluttered with caching related code
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Explanation of the method Date::once in the ruby co more
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