On the other hand you get nice things like do notation instead of special cased syntax and "Carrier"
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also objectively this is the best x.flatMap { (y) in do_stuff(y) .flatMap { do_more_stuff(y, $0) }}
Also that should probably be `flattenIntoSingleLevelAfterMappingWith: (y) in ...`
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You're right, &x.ft_mp(&mut || {;};);; is much more information-dense
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Lines like https://github.com/diesel-rs/diesel/blob/master/diesel/src/query_builder/mod.rs#L106 … are my favorite... (which could have been (&**self).to_sql(out))
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New conversation -
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(actually shortening names was a really big part of swift 3 renaming stuff)
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