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Diffstat (limited to 'src/Inky/Data/Irrelevant.idr')
-rw-r--r-- | src/Inky/Data/Irrelevant.idr | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/Inky/Data/Irrelevant.idr b/src/Inky/Data/Irrelevant.idr new file mode 100644 index 0000000..ca72470 --- /dev/null +++ b/src/Inky/Data/Irrelevant.idr @@ -0,0 +1,19 @@ +module Inky.Data.Irrelevant + +public export +record Irrelevant (a : Type) where + constructor Forget + 0 value : a + +public export +Functor Irrelevant where + map f x = Forget (f x.value) + +public export +Applicative Irrelevant where + pure x = Forget x + f <*> x = Forget (f.value x.value) + +public export +Monad Irrelevant where + join x = Forget (x.value.value) |