readme: added tags example
diff --git a/mapstructure_examples_test.go b/mapstructure_examples_test.go
index 2493c13..6ba644b 100644
--- a/mapstructure_examples_test.go
+++ b/mapstructure_examples_test.go
@@ -143,3 +143,27 @@
fmt.Printf("%#v", result)
// Output: mapstructure.Person{Name:"123", Age:42, Emails:[]string{}}
}
+
+func ExampleDecode_tags() {
+ // Note that the mapstructure tags defined in the struct type
+ // can indicate which fields the values are mapped to.
+ type Person struct {
+ Name string `mapstructure:"person_name"`
+ Age int `mapstructure:"person_age"`
+ }
+
+ input := map[string]interface{}{
+ "person_name": "Mitchell",
+ "person_age": 91,
+ }
+
+ var result Person
+ err := Decode(input, &result)
+ if err != nil {
+ panic(err)
+ }
+
+ fmt.Printf("%#v", result)
+ // Output:
+ // main.Person{Name:"Mitchell", Age:91}
+}
