From 1a88fbfdd0e441d7f77f13647adb40548a8bb59b Mon Sep 17 00:00:00 2001
From: Josh Rendek <josh@bluescripts.net>
Date: Mon, 4 Jun 2018 01:57:37 -0400
Subject: [PATCH] Update readme at example for Caller() (#76)

* Update readme at example for Caller()
---
 README.md | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/README.md b/README.md
index 5c008a6..c9099b5 100644
--- a/README.md
+++ b/README.md
@@ -293,6 +293,16 @@ log.Info().Msg("hello world")
 log.Logger = log.With().Str("foo", "bar").Logger()
 ```
 
+### Add file and line number to log
+
+```go
+log.Logger = log.With().Caller().Logger()
+log.Info().Msg("hello world")
+
+// Output: {"level": "info", "message": "hello world", "caller": "/go/src/your_project/some_file:21"}
+```
+
+
 ### Thread-safe, lock-free, non-blocking writer
 
 If your writer might be slow or not thread-safe and you need your log producers to never get slowed down by a slow writer, you can use a `diode.Writer` as follow: