Introduce PluginLoaderFunc

This allows registered plugins to execute code when loaded. This will
also allow the Lua support code to be a plugin.

Closes: https://todo.sr.ht/~sircmpwn/koushin/54

1 files changed, 7 insertions, 0 deletions

diff --git a/plugin_go.go b/plugin_go.go
index 34abeeb..9a6bb64 100644
--- a/plugin_go.go
+++ b/plugin_go.go
@@ -132,3 +132,10 @@ func (p *GoPlugin) Inject(name string, f InjectFunc) {
 func (p *GoPlugin) Plugin() Plugin {
 	return &goPlugin{p}
 }
+
+// Loader returns a loader function for this plugin.
+func (p *GoPlugin) Loader() PluginLoaderFunc {
+	return func(*Server) ([]Plugin, error) {
+		return []Plugin{p.Plugin()}, nil
+	}
+}