1 files changed, 5 insertions, 0 deletions
diff --git a/lambda-calcul/javascript/src/internals.js b/lambda-calcul/javascript/src/internals.js
new file mode 100644
index 0000000..f55736a
--- /dev/null
+++ b/lambda-calcul/javascript/src/internals.js
@@ -0,0 +1,5 @@
+const σ = (name) => ({ sym: name });
+
+module.exports = {
+  σ,
+};