add pend builtin function

1 files changed, 19 insertions, 0 deletions

diff --git a/tests/pend.out b/tests/pend.out
new file mode 100644
index 0000000..44239f7
--- /dev/null
+++ b/tests/pend.out
@@ -0,0 +1,19 @@
+[ 10 ]
+[ 100 200 ]
+[ 22 33 ]
+[ 11 111 222 ]
+[ 333 444 99 ]
+[ 555 666 777 888 ]
+[ 10 11 12 ]
+[ 10 11 20 30 ]
+[ 10 222 333 99 ]
+[ 10 22 33 44 55 ]
+[ 100 200 33 44 ]
+[ 100 200 33 444 555 ]
+[ 100 200 33 44 55 ]
+[ 100 200 333 444 555 666 ]
+[ ]
+[ 1 ]
+[ 10 ]
+[ 20 ]
+[ ]