Issue #64: properly delete header values via Del call

1 files changed, 11 insertions, 1 deletions

diff --git a/args.go b/args.go
index d61ffd6..bf9ffa2 100644
--- a/args.go
+++ b/args.go
@@ -140,7 +140,7 @@ func (a *Args) Del(key string) {
 
 // DelBytes deletes argument with the given key from query args.
 func (a *Args) DelBytes(key []byte) {
-	a.args = delArg(a.args, key)
+	a.args = delAllArgs(a.args, key)
 }
 
 // Set sets 'key=value' argument.
@@ -286,6 +286,16 @@ func copyArgs(dst, src []argsKV) []argsKV {
 	return dst
 }
 
+func delAllArgs(args []argsKV, key []byte) []argsKV {
+	for {
+		argsNew := delArg(args, key)
+		if len(argsNew) == len(args) {
+			return args
+		}
+		args = argsNew
+	}
+}
+
 func delArg(args []argsKV, key []byte) []argsKV {
 	for i, n := 0, len(args); i < n; i++ {
 		kv := &args[i]