add more docs to doc.go

9 years ago · 9e4314f9ab
parent b366564cbe
commit 9e4314f9ab
1 changed files with 3 additions and 0 deletions
--- a/doc.go
+++ b/doc.go
@ -18,6 +18,9 @@ I needed to know the field and what validation failed so that I could provide an

 Validation functions return type error

+Doing things this way is actually the way the standard library does, see the file.Open
+method here: https://golang.org/pkg/os/#Open.
+
 They return type error to avoid the issue discussed in the following, where err is always != nil:
 http://stackoverflow.com/a/29138676/3158232
 https://github.com/bluesuncorp/validator/issues/134