1 files changed, 8 insertions, 0 deletions
diff --git a/stdlib/sys.ts b/stdlib/sys.ts
new file mode 100644
index 0000000..03541be
--- /dev/null
+++ b/stdlib/sys.ts
@@ -0,0 +1,8 @@
+import { Effect } from './io'
+
+export interface GetEnv<_Name extends string> extends Effect<string> { }
+
+export interface GetArgs extends Effect<string[]> { }
+
+export interface JsExpr<_Expr extends string> extends Effect<any> { }
+