1 files changed, 10 insertions, 0 deletions
diff --git a/src/stdlib/stdio.ts b/src/stdlib/stdio.ts
new file mode 100644
index 0000000..96c27f8
--- /dev/null
+++ b/src/stdlib/stdio.ts
@@ -0,0 +1,10 @@
+import { EffectAtom } from './io'
+
+export interface PutString<_ extends string> extends EffectAtom { }
+
+export interface Print<_ extends any> extends EffectAtom { }
+
+export interface Debug<_ extends string, T> extends EffectAtom<T> { }
+
+export interface ReadLine extends EffectAtom<string> { }
+