Switch to dep for dependency management

vendor/github.com/gin-gonic/gin/utils.go

@@ -33,21 +33,26 @@ func Bind(val interface{}) HandlerFunc {
 	}
 }
 
+// WrapF is a helper function for wrapping http.HandlerFunc
+// Returns a Gin middleware
 func WrapF(f http.HandlerFunc) HandlerFunc {
 	return func(c *Context) {
 		f(c.Writer, c.Request)
 	}
 }
 
+// WrapH is a helper function for wrapping http.Handler
+// Returns a Gin middleware
 func WrapH(h http.Handler) HandlerFunc {
 	return func(c *Context) {
 		h.ServeHTTP(c.Writer, c.Request)
 	}
 }
 
+// H is a shortcut for map[string]interface{}
 type H map[string]interface{}
 
-// MarshalXML allows type H to be used with xml.Marshal
+// MarshalXML allows type H to be used with xml.Marshal.
 func (h H) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	start.Name = xml.Name{
 		Space: "",
@@ -65,10 +70,8 @@ func (h H) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 			return err
 		}
 	}
-	if err := e.EncodeToken(xml.EndElement{Name: start.Name}); err != nil {
-		return err
-	}
-	return nil
+
+	return e.EncodeToken(xml.EndElement{Name: start.Name})
 }
 
 func assert1(guard bool, text string) {
@@ -100,12 +103,7 @@ func parseAccept(acceptHeader string) []string {
 	parts := strings.Split(acceptHeader, ",")
 	out := make([]string, 0, len(parts))
 	for _, part := range parts {
-		index := strings.IndexByte(part, ';')
-		if index >= 0 {
-			part = part[0:index]
-		}
-		part = strings.TrimSpace(part)
-		if len(part) > 0 {
+		if part = strings.TrimSpace(strings.Split(part, ";")[0]); part != "" {
 			out = append(out, part)
 		}
 	}
@@ -113,11 +111,10 @@ func parseAccept(acceptHeader string) []string {
 }
 
 func lastChar(str string) uint8 {
-	size := len(str)
-	if size == 0 {
+	if str == "" {
 		panic("The length of the string can't be 0")
 	}
-	return str[size-1]
+	return str[len(str)-1]
 }
 
 func nameOfFunction(f interface{}) string {
@@ -125,7 +122,7 @@ func nameOfFunction(f interface{}) string {
 }
 
 func joinPaths(absolutePath, relativePath string) string {
-	if len(relativePath) == 0 {
+	if relativePath == "" {
 		return absolutePath
 	}
 
@@ -140,7 +137,7 @@ func joinPaths(absolutePath, relativePath string) string {
 func resolveAddress(addr []string) string {
 	switch len(addr) {
 	case 0:
-		if port := os.Getenv("PORT"); len(port) > 0 {
+		if port := os.Getenv("PORT"); port != "" {
 			debugPrint("Environment variable PORT=\"%s\"", port)
 			return ":" + port
 		}