From 2382eed21d1b8d9727a062a51137f9d920364d3d Mon Sep 17 00:00:00 2001
From: Roman Minkin <minkinroman@gmail.com>
Date: Fri, 9 Oct 2015 17:17:16 -0400
Subject: [PATCH] Add `c.PostFormExists(key)` method which returns `true` if
 field with given name exists in the form

---
 context.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/context.go b/context.go
index b784c14b..0443dd97 100644
--- a/context.go
+++ b/context.go
@@ -198,6 +198,13 @@ func (c *Context) PostForm(key string) (va string) {
 	return
 }
 
+// PostFormExists returns `true` if field with given name exists in the form
+func (c *Context) PostFormExists(key string) (exists bool) {
+	_, exists = c.postForm(key)
+
+	return exists
+}
+
 // Param is a shortcut for c.Params.ByName(key)
 func (c *Context) Param(key string) string {
 	return c.Params.ByName(key)