move go-args back to the application code

1 files changed, 12 insertions, 0 deletions

diff --git a/interface.go b/interface.go
index d1d3aec..72c1b50 100644
--- a/interface.go
+++ b/interface.go
@@ -11,6 +11,12 @@ type initArgvI interface {
 	InitArgv() (string, string, string)
 }
 
+type mustParseI interface {
+	// Version returns the version string that will be printed on a line by itself
+	// at the top of the help message.
+	MustParse() error
+}
+
 type initGuiI interface {
 	// Version returns the version string that will be printed on a line by itself
 	// at the top of the help message.
@@ -69,6 +75,12 @@ func findAppInfo(tmp interface{}) {
 		panic("you must define in your app the function: (args) func InitArgv() (string, string, string)")
 	}
 
+	if tmp, ok := tmp.(mustParseI); ok {
+		me.mustParseFunc = tmp.MustParse
+	} else {
+		panic("you must define in your app the function: func (args) MustParse() error")
+	}
+
 	if tmp, ok := tmp.(initGuiI); ok {
 		me.initGuiFunc = tmp.InitGui
 		if err := tmp.InitGui(); err != nil {