func ExampleClient_UpdateItem(client *dynago.Client) {
_, err := client.UpdateItem("Person", dynago.HashKey("Id", 42)).
UpdateExpression("SET Name=:name").
Param(":name", "Joe").
Execute()
if err != nil {
fmt.Printf("UpdateItem failed: %v", err)
}
}
func ExampleClient_UpdateItem_atomicIncrement(client *dynago.Client, key dynago.Document) {
result, err := client.UpdateItem("Products", key).
UpdateExpression("SET ViewCount = ViewCount + :incr").
Param(":incr", 5).
ReturnValues(dynago.ReturnUpdatedNew).
Execute()
if err == nil {
fmt.Printf("View count is now %d", result.Attributes["ViewCount"])
}
}