Support parsing second shifts

Parse inputs like -10s into 10 second shifts back in time.

1 files changed, 8 insertions, 0 deletions

diff --git a/website/sandbox/shift-time/shell.nix b/website/sandbox/shift-time/shell.nix
new file mode 100644
index 000000000000..fb5021a6b722
--- /dev/null
+++ b/website/sandbox/shift-time/shell.nix
@@ -0,0 +1,8 @@
+let
+  briefcase = import /home/wpcarro/briefcase {};
+in briefcase.buildHaskell.shell {
+  deps = hpkgs: with hpkgs; [
+    hspec
+    rio
+  ];
+}