#idris makes a showing in @odersky keynote at #scaladays. Though, how can aiming for "correctness" not be "right"?pic.twitter.com/sSDJWClhqj
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@d6 @pdxleif @jdegoes @alissapajer @aloiscochard I might want to be sure that my lists are not empty…
@dibblego @pdxleif @jdegoes @alissapajer @aloiscochard Exactly! We all know how to easily ensure that property.
@d6 @pdxleif @alissapajer @aloiscochard Not only are you spot on, but this is precisely why @jdegoes is wrong :)
@dibblego @d6 @pdxleif @jdegoes @alissapajer @aloiscochard how do I prove putStrLn puts lines to the screen?
@cwmyers @dibblego @d6 @jdegoes @alissapajer @aloiscochard You can't, any more than you can "prove" someone will read those lines. impl prop
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