fix issue 89 (multiple args terminated by "--")

parse.go

@@ -502,7 +502,7 @@ func (p *Parser) process(args []string) error {
 		if spec.multiple {
 			var values []string
 			if value == "" {
-				for i+1 < len(args) && !isFlag(args[i+1]) {
+				for i+1 < len(args) && !isFlag(args[i+1]) && args[i+1] != "--" {
 					values = append(values, args[i+1])
 					i++
 					if spec.separate {

parse_test.go

@@ -1045,3 +1045,15 @@ func TestVersion(t *testing.T) {
 	assert.Equal(t, ErrVersion, err)
 
 }
+
+func TestMultipleTerminates(t *testing.T) {
+	var args struct {
+		X []string
+		Y string `arg:"positional"`
+	}
+
+	err := parse("--x a b -- c", &args)
+	require.NoError(t, err)
+	assert.Equal(t, []string{"a", "b"}, args.X)
+	assert.Equal(t, "c", args.Y)
+}