I use this all the time. It's features like these that sell Rust for me honestly; even if you wrapped your whole program in `unsafe` it would still be a massively better language than C++ or C.

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9029 2 days ago | parent | next [-]

C++ lambdas can be used to achieve a similar result, not as pretty though https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines... But in general I agree!

	▲	knorker 2 days ago \| parent [-]
		The fact that you can't return from there makes for a huge difference, though,

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hu3 2 days ago | parent | prev [-]

Many languages use this idiom. Some popular ones even. So while it's good that Rust joined them, it's hardly a differentiator.

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andrepd 2 days ago | parent [-]

It's a differentiator wrt C and C++, is what I said.

	▲	exDM69 2 days ago \| parent [-]
		Yes, sadly this isn't a part of standard C or C++. It is available as a language extension in Clang and GCC and widely used (e.g. by the Linux kernel). Unfortunately it is not supported by the third major compiler out there so many projects can't or don't want to use it.