From ddd394ffc3c03b3989cc346e5f72789010b6535c Mon Sep 17 00:00:00 2001
From: denis_savitsky <d.e.savitskiy@gmail.com>
Date: Sun, 8 Oct 2023 12:30:47 +0200
Subject: [PATCH] Add examples to readme

---
 README.md | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/README.md b/README.md
index fb8c679..baef12b 100644
--- a/README.md
+++ b/README.md
@@ -194,6 +194,8 @@ val q3 = query[Person](p => Pattern.matches("^[\\w-\\.]+@([\\w-]+\\.)+[\\w-]{2,4
 
 V Array Query Operators
 
+1. $size
+
 ```scala
 import oolong.dsl.*
 
@@ -204,6 +206,21 @@ val q = query[Course](_.studentNames.length == 20)
 // q is {"studentNames": {"$size": 20}}
 ```
 
+2. $elemMatch
+
+```scala
+import oolong.dsl.*
+
+case class Course(studentNames: List[String], tutor: String)
+
+val q = query[Course](_.studentNames.exists(_ == 20)) // $elemMatch ommited when querying single field
+// q is {"studentNames": 20}
+
+val q = query[Course](course => course.studentNames.exists(_ > 20) && course.tutor == "Pavlov")
+// q is {"studentNames": {"$elemMatch": {"studentNames": {"$gt": 20}, "tutor": "Pavlov"}}}
+
+```
+
 #### Update operators
 
 I Field Update Operators