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Diffstat (limited to '')
| -rw-r--r-- | stdlib/source/library/lux/abstract/functor/contravariant.lux | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/stdlib/source/library/lux/abstract/functor/contravariant.lux b/stdlib/source/library/lux/abstract/functor/contravariant.lux new file mode 100644 index 000000000..db66f1265 --- /dev/null +++ b/stdlib/source/library/lux/abstract/functor/contravariant.lux @@ -0,0 +1,9 @@ +(.module: + [library + [lux #*]]) + +(interface: #export (Functor f) + (: (All [a b] + (-> (-> b a) + (-> (f a) (f b)))) + map)) |