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![JavaScript Promiseの本](https://cdn-ak-scissors.b.st-hatena.com/image/square/c7a292695a4fc0e8176db50e48c5aa35e285fd8e/height=288;version=1;width=512/https%3A%2F%2Fazu.github.io%2Fpromises-book%2Fpublic%2Fimg%2Fpromise-catch.png)
These days a common bottleneck in execution time is the network. It simply takes a long time to make the round trip (several milliseconds, versus a 100th of that to process the result). So, if you’re doing multiple network requests, it makes sense to do them in parallel to reduce the overall latency. Futures/promises are one technique to accomplish this. While there are more technical definitions,
Reader Note: This article aims to provide some technical insight into the paradigm shifts I’ve been exposed to while researching and learning about the Rust programming language when it comes to concurrency. After spending 3.5 years well-vested in the Go programming language, this is my attempt to share these insights and I encourage you; the reader, to also explore these new insights that Rust pr
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