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Re:Swift Functors, Applicatives, and Monads in Pictures by lmm on Tuesday July 14, 2015 @07:18PM (#9888722)
Because code is read more than it's written; multiple ways of writing the same thing makes it easier to write but harder to read.
Re:Swift Functors, Applicatives, and Monads in Pictures by dragonwriter on Tuesday July 14, 2015 @07:26PM (#9888764)
Multiple ways of writing the same thing makes it easier to read, often, because you are more free to use the form that is more readable and intuitive in context; that's one reason why natural languages (including written languages) tend to have multiple ways of expressing the same ideas.