Add an example of a warning we would like to have printed.

klauspost · andersfylling · commit 7b83690fac68 · 2019-03-21T13:05:20.000+01:00
diff --git a/inception/reflect.go b/inception/reflect.go
@@ -23,6 +23,7 @@ import (
 
 	"bytes"
 	"encoding/json"
+	"log"
 	"reflect"
 	"unicode/utf8"
 )
@@ -272,6 +273,7 @@ func dominantField(fields []*StructField) (*StructField, bool) {
 			if tagged >= 0 {
 				// Multiple tagged fields at the same level: conflict.
 				// Return no field.
+				log.Printf("Warning: Duplicate tagged entry with entry %s found. Ignoring entries.", f.JsonName, f.Typ)
 				return nil, false
 			}
 			tagged = i

Original file line number	Diff line number	Diff line change
`@@ -23,6 +23,7 @@ import (`
`23`	`23`
`24`	`24`	`"bytes"`
`25`	`25`	`"encoding/json"`
	`26`	`+ "log"`
`26`	`27`	`"reflect"`
`27`	`28`	`"unicode/utf8"`
`28`	`29`	`)`
`@@ -272,6 +273,7 @@ func dominantField(fields []StructField) (StructField, bool) {`
`272`	`273`	`if tagged >= 0 {`
`273`	`274`	`// Multiple tagged fields at the same level: conflict.`
`274`	`275`	`// Return no field.`
	`276`	`+ log.Printf("Warning: Duplicate tagged entry with entry %s found. Ignoring entries.", f.JsonName, f.Typ)`
`275`	`277`	`return nil, false`
`276`	`278`	`}`
`277`	`279`	`tagged = i`