From 122175c75b0461b7033cd9d2fd62745103a41ca0 Mon Sep 17 00:00:00 2001
From: NiseVoid <nisevoid@gmail.com>
Date: Thu, 18 Jul 2019 15:14:04 +0200
Subject: [PATCH] Add support for TextUnmarshaler

---
 forms.go | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/forms.go b/forms.go
index 5280e41..664cab2 100644
--- a/forms.go
+++ b/forms.go
@@ -1,6 +1,7 @@
 package forms
 
 import (
+	"encoding"
 	"reflect"
 	"strconv"
 	"strings"
@@ -26,13 +27,21 @@ func decode(form Values, rv reflect.Value, prefix string) {
 			continue
 		}
 
-		// TODO: Add custom interface
-
 		fe := ft.Type
 		if fe.Kind() == reflect.Ptr {
 			fe = fe.Elem()
 		}
 
+		if tu, ok := fv.Addr().Interface().(encoding.TextUnmarshaler); ok {
+			v, ok := form[getName(ft, prefix)]
+			if !ok || len(v) == 0 {
+				continue
+			}
+
+			tu.UnmarshalText([]byte(v[0]))
+			continue
+		}
+
 		if fe.Kind() == reflect.Struct {
 			if fv.Kind() == reflect.Ptr {
 				found := false