fix(assign): Use map internally

kofno · May 28, 2018 · dec4cac · dec4cac
1 parent 7dcb497
commit dec4cac
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/src/Ok.ts b/src/Ok.ts
@@ -47,9 +47,10 @@ class Ok<Err, A> extends Result<Err, A> {
     other: Result<Err, B> | ((a: A) => Result<Err, B>)
   ): Result<Err, A & { [k in K]: B }> {
     const result = other instanceof Result ? other : other(this.value);
-    return result.andThen(b =>
-      ok<Err, A & { [k in K]: B }>({ ...Object(this.value), [k.toString()]: b })
-    );
+    return result.map<A & { [k in K]: B }>(b => ({
+      ...Object(this.value),
+      [k.toString()]: b,
+    }));
   }
 }