X-Git-Url: https://git.xandkar.net/?a=blobdiff_plain;f=src%2Fhope_fun.erl;h=c2443cee8b7efb721098b69a9dd6268eb3bfac68;hb=a3173cf2c4cd3aa3b7da033cac6b2d9e9ccd492a;hp=61babe9c808e549d4af64906a730a2d4078c417c;hpb=64617423d513e37494369d637bee5ff357de791b;p=hope.git

diff --git a/src/hope_fun.erl b/src/hope_fun.erl
index 61babe9..c2443ce 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) ->
+    {arity, Arity} = erlang:fun_info(F, arity),
+    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.