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2019年五月份总结与六月份计划 - AlstonWilliams's Blog #28

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AlstonWilliams opened this issue Jun 1, 2019 · 1 comment

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AlstonWilliams commented Jun 1, 2019

https://alstonwilliams.github.io/%E8%B7%AF%E6%BC%AB%E6%BC%AB%E5%85%B6%E4%BF%AE%E8%BF%9C%E5%85%AE/2019/05/31/2019%E5%B9%B4%E4%BA%94%E6%9C%88%E4%BB%BD%E6%80%BB%E7%BB%93%E4%B8%8E%E5%85%AD%E6%9C%88%E4%BB%BD%E8%AE%A1%E5%88%92/

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zhaihao commented Mar 30, 2021 •

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scala 导入的默认是不可变集合，内存上开销是要大一些，某些场景可以使用可变集合。至于后面一个问题使用 scala.collection.Iterator.single[A](elem:A) 获得与 singletonList 类似的效果

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