New feature: Fallback views. Read HISTORY.md

context/view.go

@@ -1,6 +1,26 @@
 package context
 
-import "io"
+import (
+	"fmt"
+	"io"
+)
+
+// ErrViewNotExist it's an error.
+// It reports whether a template was not found in the parsed templates tree.
+type ErrViewNotExist struct {
+	Name     string
+	IsLayout bool
+	Data     interface{}
+}
+
+// Error completes the `error` interface.
+func (e ErrViewNotExist) Error() string {
+	title := "template"
+	if e.IsLayout {
+		title = "layout"
+	}
+	return fmt.Sprintf("%s '%s' does not exist", title, e.Name)
+}
 
 // ViewEngine is the interface which all view engines should be implemented in order to be registered inside iris.
 type ViewEngine interface {