tryfinallycatch

trycatchfinally.go

@@ -0,0 +1,56 @@
+/*
+ * MANY Thanks to https://dzone.com/articles/try-and-catch-in-golang and Marko Seidel for discovering it!
+ */
+
+package ebktools
+
+// #############################################################################
+// ### try, catch, finally - interface
+// #############################################################################
+type Block struct {
+	Try     func()
+	Catch   func(Exception)
+	Finally func()
+}
+
+type Exception interface{}
+
+func Throw(up Exception) {
+	panic(up)
+}
+
+func (tcf Block) Do() {
+	if tcf.Finally != nil {
+
+		defer tcf.Finally()
+	}
+	if tcf.Catch != nil {
+		defer func() {
+			if r := recover(); r != nil {
+				tcf.Catch(r)
+			}
+		}()
+	}
+	tcf.Try()
+}
+
+/*
+//Example:
+
+func main() {
+    fmt.Println("We started")
+    Block{
+        Try: func() {
+            fmt.Println("I tried")
+            Throw("Oh,...sh...")
+        },
+        Catch: func(e Exception) {
+            fmt.Printf("Caught %v\n", e)
+        },
+        Finally: func() {
+            fmt.Println("Finally...")
+        },
+    }.Do()
+    fmt.Println("We went on")
+}
+*/