README: Add another common example for "Read data"

TB142 · Apr 25, 2022 · 686a160 · 686a160
1 parent 9e143f3
commit 686a160
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diff --git a/README.md b/README.md
@@ -103,6 +103,10 @@ Ret = khepri:get("/:emails/alice"),
          data => "[email protected]",
          payload_version => 1}}} = Ret.
 ```
+```erlang
+%% Get the data directly, providing a default value if there is no data:
+"[email protected]" = khepri:get_data_or("/:emails/alice", undefined).
+```
 
 The `khepri:get/0` function and many other ones accept a "path pattern".
 Therefore it is possible to get several nodes in a single call. The result is a