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Rust is a systems programming language focused on three goals: safety, speed, and concurrency. It maintains these goals without needing a garbage collector, making it a useful language for a number of use cases other languages aren't good at: embedding in other languages, programs with specific space and time requirements, and writing low-level code, like device drivers and operating systems.
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Why do "checked exceptions", i.e., "value-or-error return values", work well in Rust and Go ...
On the other hand, Go and Rust and extremely popular.
Why did this concept (see the bolded sentence above) fail in Java but succeed in Go and Rust? … What mistakes did the Java designers make that the Go and Rust designers didn't? And what can we learn about programming language design from that? …