X-Git-Url: https://git.xandkar.net/?p=hope.git;a=blobdiff_plain;f=src%2Fhope_fun.erl;h=5ee6730499fa840d7a88ab427d4a82126d070673;hp=61babe9c808e549d4af64906a730a2d4078c417c;hb=e033aadea66cc7f68e3a66cde23a2edfe4c4e9e6;hpb=99fd18ae3aa61238700208a5f2b2959c1b1a2d80

diff --git a/src/hope_fun.erl b/src/hope_fun.erl
index 61babe9..5ee6730 100644
--- a/src/hope_fun.erl
+++ b/src/hope_fun.erl
@@ -2,9 +2,23 @@
 
 -export(
     [ id/1
+    , curry/1
     ]).
 
 -spec id(A) ->
     A.
 id(X) ->
     X.
+
+-spec curry(fun()) ->
+    fun().
+curry(F) ->
+    {value, {arity, Arity}} = lists:keysearch(arity, 1, erlang:fun_info(F)),
+    curry(F, [], Arity).
+
+-spec curry(fun(), list(), integer()) ->
+    fun().
+curry(F, Args, 0) ->
+    apply(F, lists:reverse(Args));
+curry(F, Args, Arity) ->
+    fun (X) -> curry(F, [X | Args], Arity - 1) end.