Update README.md

README.md

@@ -15,3 +15,60 @@ libraryDependencies += "com.github.bigwheel" %% "scalatest-structured-before" %
 ## Usage
 
 Check [test code](https://github.com/bigwheel/scalatest-structured-before/blob/master/src/test/scala/com/github/bigwheel/scalatest/FunSpecExSpec.scala).
+
+```scala
+class FunSpecExSpec extends FunSpecEx with Matchers {
+
+  var subject: Int = _
+
+  describeWithText("description can be used in test") { desc =>
+    it ("like this") {
+      desc should be("description can be used in test")
+    }
+  }
+
+  describeWithBefore("When initialized by 0"){ subject = 0 } {
+    it("is 0") {
+      subject should be(0)
+    }
+
+    describeWithBefore("when + 5"){ subject += 5 } {
+      it("is 5") {
+        subject should be(5)
+      }
+
+      describeWithBefore("then - 3"){ subject -= 3 } {
+        it("is 2") {
+          subject should be(2)
+        }
+        it("also is even") {
+          (2 % 2) should be (0)
+        }
+      }
+
+      describeWithTextAndBefore("and * -1"){ subject *= -1 } { desc =>
+        it("is -5") {
+          subject should be(-5)
+        }
+        it("desc can be used in test") {
+          desc should be ("and * -1")
+        }
+      }
+    }
+
+    describe("with normal description") {
+      describeWithBefore("works correctly (+ 9)") { subject += 9 } {
+        it("is 9") {
+          subject should be(9)
+        }
+
+        they("`they` also be able to be used") {
+          subject should be(9)
+        }
+      }
+    }
+
+  }
+
+}
+```