revert ChainRec test removal

CHANGELOG.md

@@ -16,7 +16,7 @@ high state of flux, you're at risk of it changing without notice.
 # 0.6.0
 
 - **Breaking Change**
-  - upgrade to `[email protected].1` (@gcanti)
+  - upgrade to `[email protected].2` (@gcanti)
 
 # 0.5.0
 

package.json

@@ -28,14 +28,14 @@
   },
   "homepage": "https://github.com/gcanti/fp-ts-fluture",
   "peerDependencies": {
-    "fluture": "^12.0.0",
+    "fluture": "^12.0.2",
     "fp-ts": "^2.0.0"
   },
   "devDependencies": {
     "@types/mocha": "2.2.38",
     "@types/node": "^12.12.11",
     "docs-ts": "^0.1.0",
-    "fluture": "^12.0.1",
+    "fluture": "^12.0.2",
     "fp-ts": "^2.0.0",
     "mocha": "3.2.0",
     "prettier": "^1.19.1",

test/index.ts

@@ -3,6 +3,7 @@ import { ConcurrentFutureInstance, promise, reject, resolve, FutureInstance } fr
 import { array } from 'fp-ts/lib/Array'
 import { concurrentFuture } from '../src/ConcurrentFuture'
 import { future } from '../src/Future'
+import { left, right } from 'fp-ts/lib/Either'
 
 describe('Future', () => {
   it('should work with sequence (failure case)', done => {
@@ -31,6 +32,11 @@ describe('Future', () => {
     const n3 = await promise(f3).catch(() => 3)
     assert.deepEqual([n1, n2, n3], [1, 2, 3])
   })
+
+  it('should export a ChainRec instance', async () => {
+    const ma = future.chainRec(0, n => resolve(n < 20_000 ? left(n + 1) : right(n)))
+    assert.strictEqual(await promise(ma), 20000)
+  })
 })
 
 describe('ConcurrentFluture', () => {