initial commit

1 files changed, 8 insertions, 0 deletions

diff --git a/src/wrapper.js b/src/wrapper.js
new file mode 100644
index 0000000..8ab8eac
--- /dev/null
+++ b/src/wrapper.js
@@ -0,0 +1,8 @@
+export const DO = (unit, bind) => f => {
+    const gen = f()
+    const next = acc => {
+        const {done, value} = gen.next(acc)
+        return done ? unit(value) : bind(value)(next)
+    }
+    return next()
+}