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I like the concurrency trend - channels & cheap threads like Erlang and Go.

The concurrency feature that stands out: ... no need for ... concurrent garbage collection. (slide 17)

The upside should be amazing performance compared to simple GC.

The cost is developer effort for memory management hints (slide 22). We'll have to see if it's worth it.

I'm really looking forward to Rust being somewhat usable, I think it has made almost all the right choices. This is Google Go done right.

As a C++ developer I find my efforts on "memory management hints" to be totally worth it, due to the fact that you actually have to think about object ownership. Which in my mind makes for better designs.

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