diff --git a/src/index.ts b/src/index.ts
index a5bc199..f1fdcb0 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -5,10 +5,12 @@ export * from "./helpers/fn"
 export * from "./helpers/guard"
 export * from "./helpers/try"
 
+export * from "./option/interface"
 export * from "./option/none"
 export * from "./option/promise"
 export * from "./option/some"
 
+export * from "./result/interface"
 export * from "./result/err"
 export * from "./result/ok"
 export * from "./result/promise"