sequences.extras: Make a <zip-index> for issue #745.

[factor.git] / extra / sequences / extras / extras-tests.factor

diff --git a/extra/sequences/extras/extras-tests.factor b/extra/sequences/extras/extras-tests.factor
index 38455fb4489782d679d08520f7d954b786d95b2c..185ad060df52977eb490a47701259234c79bb716 100644 (file)
--- a/extra/sequences/extras/extras-tests.factor
+++ b/extra/sequences/extras/extras-tests.factor
@@ -294,3 +294,9 @@ tools.test vectors vocabs ;
 { { } } [
     { } [ nip ] map-with-previous
 ] unit-test
+
+{ { -1 2 -3 4 -5 } } [ { 1 2 3 4 5 } [ odd? ] [ neg ] map-if ] unit-test
+
+{ { { 100 0 } { 200 1 } { 300 2 } { 400 3 } } } [
+    { 100 200 300 400 } <zip-index> >array
+] unit-test