☕ add a dependency-injection examples folder for the next release and some improvements

Former-commit-id: 040168afb7caf808618f7da5e68ae8eb01cb7170

mvc/controller.go

@@ -341,9 +341,10 @@ func (c *ControllerActivator) handlerOf(methodName string) context.Handler {
 		return func(ctx context.Context) {
 			ctrl, err := c.injector.Acquire(ctx)
 			if err != nil {
-				if err != hero.ErrStopExecution {
-					c.injector.Container.GetErrorHandler(ctx).HandleError(ctx, err)
-				}
+				// if err != hero.ErrStopExecution {
+				// 	c.injector.Container.GetErrorHandler(ctx).HandleError(ctx, err)
+				// }
+				c.injector.Container.GetErrorHandler(ctx).HandleError(ctx, err)
 				return
 			}
 

mvc/param.go

@@ -1,34 +0,0 @@
-package mvc
-
-import (
-	"reflect"
-
-	"github.com/kataras/iris/v12/context"
-	"github.com/kataras/iris/v12/macro"
-)
-
-func getPathParamsForInput(startParamIndex int, params []macro.TemplateParam, funcIn ...reflect.Type) (values []reflect.Value) {
-	if len(funcIn) == 0 || len(params) == 0 {
-		return
-	}
-
-	consumed := make(map[int]struct{})
-	for _, in := range funcIn {
-		for j, param := range params {
-			if _, ok := consumed[j]; ok {
-				continue
-			}
-
-			funcDep, ok := context.ParamResolverByTypeAndIndex(in, startParamIndex+param.Index)
-			if !ok {
-				continue
-			}
-
-			values = append(values, funcDep)
-			consumed[j] = struct{}{}
-			break
-		}
-	}
-
-	return
-}