Update doc for unique=field

5 years ago · e73ec5f5ab
parent 8f604265e0
commit e73ec5f5ab
1 changed files with 6 additions and 0 deletions
--- a/doc.go
+++ b/doc.go
@ -587,9 +587,15 @@ Unique

 For arrays & slices, unique will ensure that there are no duplicates.
 For maps, unique will ensure that there are no duplicate values.
+For slices of struct, unique will ensure that there are no duplicate values
+in a field of the struct specified via a parameter.

+	// For arrays, slices, and maps:
 	Usage: unique

+	// For slices of struct:
+	Usage: unique=field
+
 Alpha Only

 This validates that a string value contains ASCII alpha characters only