diff --git a/__tests__/expect_vitest.res b/__tests__/expect_vitest.res
index c5391e8..1bfcead 100644
--- a/__tests__/expect_vitest.res
+++ b/__tests__/expect_vitest.res
@@ -54,19 +54,32 @@ let () = {
     test("expectFn", () => expectFn(throw, Invalid_argument("foo"))->toThrow)
   })
 
-  // describe("Expect.Operators", () => {
-  //   open Expect
-  //   open! Expect.Operators
+  describe("Expect.Operators", () => {
+    open Expect
+    open! Expect.Operators
+
+    let r1 = {"foo": "bar"}
 
-  //   test("==", () => expect(1 + 2) === 3)
-  //   test(">", () => expect(4) > 3)
-  //   test(">=", () => expect(4) >= 4)
-  //   test("<", () => expect(4) < 5)
-  //   test("<=", () => expect(4) <= 4)
-  //   test("=", () => expect(1 + 2) == 3)
-  //   test("<>", () => expect(1 + 2) != 4)
-  //   test("!=", () => expect(1 + 2) !== 4)
-  // })
+    "==="->describe(() => {
+      test("int", () => expect(1 + 2) === 3)
+      test("string", () => expect("foo") === "foo")
+      test("same record", () => expect(r1) === r1)
+    })
+    "!=="->describe(() => {
+      test("int", () => expect(1 + 2) !== 4)
+      test("equal record", () => expect(r1) !== {"foo": "bar"})
+    })
+    "=="->describe(() => {
+      test("int", () => expect(1 + 2) == 3)
+      test("string", () => expect("foo") == "foo")
+      test("record", () => expect(r1) == {"foo": "bar"})
+    })
+    test(">", () => expect(4) > 3)
+    test(">=", () => expect(4) >= 4)
+    test("<", () => expect(4) < 5)
+    test("<=", () => expect(4) <= 4)
+    test("!=", () => expect(1 + 2) != 4)
+  })
 
   describe("ExpectJs", () => {
     open ExpectJs
diff --git a/src/Vitest.res b/src/Vitest.res
index 0862514..bc3f1cc 100644
--- a/src/Vitest.res
+++ b/src/Vitest.res
@@ -1,4 +1,4 @@
-@send external then: (promise<'a>, @uncurry 'a => promise<'b>) => promise<'b> = "then"
+@send external then: (promise<'a>, @uncurry ('a => promise<'b>)) => promise<'b> = "then"
 module Promise = Js.Promise
 
 type modifier<'a> = [
@@ -15,7 +15,6 @@ let mapMod = (f, x) =>
 type rec assertion =
   | Ok: assertion
   | Fail(string): assertion
-
   | ArrayContains(modifier<(array<'a>, 'a)>): assertion
   | ArrayContainsEqual(modifier<(array<'a>, 'a)>): assertion
   | ArrayLength(modifier<(array<'a>, int)>): assertion
@@ -30,14 +29,11 @@ type rec assertion =
   | LessThanOrEqual(modifier<('a, 'a)>): assertion
   | StringContains(modifier<(string, string)>): assertion
   | StringMatch(modifier<(string, Js.Re.t)>): assertion
-
   | Throws(modifier<unit => _>): assertion
-
   | MatchInlineSnapshot(_, string): assertion
   | MatchSnapshot(_): assertion
   | MatchSnapshotName(_, string): assertion
   | ThrowsMatchSnapshot(unit => _): assertion
-
   /* JS */
   | Defined(modifier<Js.undefined<'a>>): assertion
   | Falsy(modifier<'a>): assertion
@@ -343,18 +339,17 @@ module Expect = {
   let not_ = (#Just(a)) => #Not(a)
   let not__ = not_ /* For Reason syntax compatibility. TODO: deprecate and remove */
 
-  // module Operators = {
-  //   @@ocaml.text(" experimental ")
-
-  //   let \"==" = (a, b) => toBe(a, b)
-  //   let \">" = (a, b) => toBeGreaterThan(a, b)
-  //   let \">=" = (a, b) => toBeGreaterThanOrEqual(a, b)
-  //   let \"<" = (a, b) => toBeLessThan(a, b)
-  //   let \"<=" = (a, b) => toBeLessThanOrEqual(a, b)
-  //   let \"=" = (a, b) => toEqual(a, b)
-  //   let \"<>" = (a, b) => a->not_->toEqual(b)
-  //   let \"!=" = (a, b) => a->not_->toBe(b)
-  // }
+  module Operators = {
+    let \"===" = (a, b) => a->toBe(b)
+    let \">" = (a, b) => toBeGreaterThan(a, b)
+    let \">=" = (a, b) => toBeGreaterThanOrEqual(a, b)
+    let \"<" = (a, b) => toBeLessThan(a, b)
+    let \"<=" = (a, b) => toBeLessThanOrEqual(a, b)
+    let \"==" = (a, b) => toEqual(a, b)
+    let \"<>" = (a, b) => a->not_->toEqual(b)
+    let \"!=" = (a, b) => a->not_->toEqual(b)
+    let \"!==" = (a, b) => a->not_->toBe(b)
+  }
 }
 
 module ExpectJs = {
diff --git a/src/Vitest.resi b/src/Vitest.resi
index 1767645..bac5d64 100644
--- a/src/Vitest.resi
+++ b/src/Vitest.resi
@@ -122,18 +122,19 @@ module Expect: {
   let not_: plainPartial<'a> => invertedPartial<'a>
   let not__: plainPartial<'a> => invertedPartial<'a>
 
-//   module Operators: {
-//     @@ocaml.text(" experimental ")
-
-//     let \"==": ([< partial<'a>], 'a) => assertion
-//     let \">": ([< partial<'a>], 'a) => assertion
-//     let \">=": ([< partial<'a>], 'a) => assertion
-//     let \"<": ([< partial<'a>], 'a) => assertion
-//     let \"<=": ([< partial<'a>], 'a) => assertion
-//     let \"=": ([< partial<'a>], 'a) => assertion
-//     let \"<>": (plainPartial<'a>, 'a) => assertion
-//     let \"!=": (plainPartial<'a>, 'a) => assertion
-//   }
+  module Operators: {
+    @@ocaml.text(" experimental ")
+
+    let \"===": ([< partial<'a>], 'a) => assertion
+    let \">": ([< partial<'a>], 'a) => assertion
+    let \">=": ([< partial<'a>], 'a) => assertion
+    let \"<": ([< partial<'a>], 'a) => assertion
+    let \"<=": ([< partial<'a>], 'a) => assertion
+    let \"==": ([< partial<'a>], 'a) => assertion
+    let \"<>": (plainPartial<'a>, 'a) => assertion
+    let \"!=": (plainPartial<'a>, 'a) => assertion
+    let \"!==": (plainPartial<'a>, 'a) => assertion
+  }
 }
 
 module ExpectJs: {