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Tag: javascript

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Project Visage is a project to write a new frontend (parser and bytecode emitter) for JavaScript in Rust that’s more maintainable, modular, efficient, and secure than the current frontend. The team (Jason Orendorff, Nicolas Pierron, Tooru Fujisawa, Yulia Startsev) is currently experimenting with a parser generator that generates a custom LR parser.

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In this article we will build a simple command line program that returns the word count of a file. This will essentially be a simpler version of the Unix utility wc, written in Rust. The goal of this article is to give an introduction to some core Rust concepts for readers who might be more familiar with web-focused languages such as JavaScript and Typescript. Therefore, the Rust code examples will be compared to similar code and concepts in JavaScript or TypeScript. This guide also assumes no prior knowledge of Rust or related tools, but it does assume you have node installed on your machine already.

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A blog about learning computer science concepts with practical projects

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What happens when a data collection is copied and then the new copy is changed? Does the original remain the same, or does it change too?

If you think of copying as creating a completely new object, of course you expect that any change to the new copy does not affect the original object. But if you think of copying as creating a new name for the same, single object, then you expect that any change to the object through the new name appears also when you access the same object through the old name.

Let's see how is the behavior of Python, Javascript, Java, C++, and Rust regarding the assignment operator ("=") between collection variables.

javascript python java cplusplus

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