How do I enable language extensions from within GHCi?

StackOverflow https://stackoverflow.com/questions/12584884

Вопрос

I'm trying to enable XRankNTypes in GHCi. How do I do this?

Это было полезно?

Решение

:set -XRankNTypes. The -X part is a compiler switch, by the way, extension is called just RankNTypes.

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