examples: replace all app.Run(iris.Addr(...)) with app.Listen just for the shake of simplicity, both are doing the same exact thing as it's described on the http listening first example.

Former-commit-id: d20afb2e899aee658a8e0ed1693357798df93462

_examples/http_responsewriter/content-negotiation/main.go

@@ -110,5 +110,5 @@ func newApp() *iris.Application {
 
 func main() {
 	app := newApp()
-	app.Run(iris.Addr(":8080"))
+	app.Listen(":8080")
 }

_examples/http_responsewriter/herotemplate/app.go

@@ -50,5 +50,5 @@ func main() {
 		}
 	})
 
-	app.Run(iris.Addr(":8080"))
+	app.Listen(":8080")
 }

_examples/http_responsewriter/quicktemplate/main.go

@@ -18,5 +18,5 @@ func main() {
 	app := newApp()
 	// http://localhost:8080
 	// http://localhost:8080/yourname
-	app.Run(iris.Addr(":8080"), iris.WithoutServerError(iris.ErrServerClosed))
+	app.Listen(":8080", iris.WithoutServerError(iris.ErrServerClosed))
 }

_examples/http_responsewriter/sse-third-party/main.go

@@ -44,7 +44,7 @@ func main() {
 		})
 	}() // ...
 
-	app.Run(iris.Addr(":8080"), iris.WithoutServerError(iris.ErrServerClosed))
+	app.Listen(":8080", iris.WithoutServerError(iris.ErrServerClosed))
 }
 
 /* For a golang SSE client you can look at: https://github.com/r3labs/sse#example-client */

_examples/http_responsewriter/sse/main.go

@@ -187,5 +187,5 @@ func main() {
 
 	// http://localhost:8080
 	// http://localhost:8080/events
-	app.Run(iris.Addr(":8080"), iris.WithoutServerError(iris.ErrServerClosed))
+	app.Listen(":8080", iris.WithoutServerError(iris.ErrServerClosed))
 }

_examples/http_responsewriter/stream-writer/main.go

@@ -50,5 +50,5 @@ func main() {
 		}
 	})
 
-	app.Run(iris.Addr(":8080"))
+	app.Listen(":8080")
 }

_examples/http_responsewriter/transactions/main.go

@@ -50,5 +50,5 @@ func main() {
 			"not been shown. But it has a transient scope(default) so, it is visible as expected!</h1>")
 	})
 
-	app.Run(iris.Addr(":8080"))
+	app.Listen(":8080")
 }

_examples/http_responsewriter/write-gzip/main.go

@@ -17,5 +17,5 @@ func main() {
 		ctx.GzipResponseWriter().WriteString("Hello World!")
 	})
 
-	app.Run(iris.Addr(":8080"))
+	app.Listen(":8080")
 }

_examples/http_responsewriter/write-rest/main.go

@@ -91,5 +91,5 @@ func main() {
 	//
 	// `iris.WithoutServerError` is an optional configurator,
 	// if passed to the `Run` then it will not print its passed error as an actual server error.
-	app.Run(iris.Addr(":8080"), iris.WithoutServerError(iris.ErrServerClosed), iris.WithOptimizations)
+	app.Listen(":8080", iris.WithoutServerError(iris.ErrServerClosed), iris.WithOptimizations)
 }