Autoclosure is a super interesting trick Swift has for solving problems usually reserved for macros: https://developer.apple.com/swift/blog/?id=4 …
My friends who work on Rust should actually check out all the cool stuff Swift does to make closures SO MUCH better to work with.
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Although it's not clear to me that expression-orientation plays well with their trailing-closure-arg thing -- foo.map |x| { x + 1 }; ???
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Rust had this syntax for a while...
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worth revisiting, I think! (assuming it's not a huge parsing disaster...)
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Some thoughts https://internals.rust-lang.org/t/autoclosures-via-swift/3616/5?u=aturon … -- curious where this gets used that makes it feel so great in Swift?
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assert and operators use them without having to use macros or give them special evaluation semantics. e.g. the RHS of && and ||
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autoclosures were more "cute" in my experience -- more aggressive sugar for passing closures is the bigger win IMO.
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e.g. `array.sort { $0 < $1 }`
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Ah OK! I've long wanted that. Again, Scala has something similar: `array.sort { _ < _ }`
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Heh, swift has `array.sort(<)` :P
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Haskell too :)
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pretty sure "you can do this in haskell" borders on vacuous. Although upon reflection the two have similar operator overloading
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YOU'RE NOT MY SUPERVISOR
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MY NAME IS HIGHER UP ON https://www.rust-lang.org/team.html SO YUH HUH
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