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(Ruihang Xia)Currently participating in edge temporal data storage engine projectThis article has 6992 words and 18 minutes of readingprefaceAs an important feature of 2018 edition, Rust's asynchronous programming has now been widely used. When you use it, you will inevitably wonder how it works. This article attempts to explore the generator a ...

Author: Mai leSource: Hang Seng LIGHT cloud communityBasic usage of Generator functionfunction* helloWorldGenerator() { yield 'hello'; yield 'world'; return 'ending'; } var hw = helloWorldGenerator();After the Generator function is called, an iterator object is generated. You can control the execution of the internal code of the functio ...

generator is a special iterator, which can replace the implementation of iterator to make the code more conciseWhat is an iteratorAn iterator is called an iterator. It is an object used to help traverse a data structure. This object needs to comply with the iterator protocol.The iterator protocol requires the implementation of the next method, ...

generator, iterable and iterator are confused Through the list generation formula, we can directly create a list. However, due to memory constraints, the list capacity must be limited. Moreover, creating a list containing 1 million elements not only takes up a lot of storage space, but if we only need to access the first few elements, the spac ...

Catalog 1. Background 2. Practice 3. Summary 1. Background          When you recently used mybatis, you saw an article that used yml configuration to simplify the xml configuration MyBatis Generator uses by default, and you wanted to use the MyBatis Generator provided by someone to automatically g ...