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_request/extract-referer/main.go

@@ -24,5 +24,5 @@ func main() {
 
 	// http://localhost:8080?referer=https://twitter.com/Xinterio/status/1023566830974251008
 	// http://localhost:8080?referer=https://www.google.com/search?q=Top+6+golang+web+frameworks&oq=Top+6+golang+web+frameworks
-	app.Run(iris.Addr(":8080"), iris.WithoutServerError(iris.ErrServerClosed))
+	app.Listen(":8080", iris.WithoutServerError(iris.ErrServerClosed))
 }

_examples/http_request/read-custom-per-type/main.go

@@ -19,7 +19,7 @@ func main() {
 	//
 	// The response should be:
 	// Received: main.config{Addr:"localhost:8080", ServerName:"Iris"}
-	app.Run(iris.Addr(":8080"), iris.WithoutServerError(iris.ErrServerClosed), iris.WithOptimizations)
+	app.Listen(":8080", iris.WithoutServerError(iris.ErrServerClosed), iris.WithOptimizations)
 }
 
 func newApp() *iris.Application {

_examples/http_request/read-custom-via-unmarshaler/main.go

@@ -19,7 +19,7 @@ func main() {
 	//
 	// The response should be:
 	// Received: main.config{Addr:"localhost:8080", ServerName:"Iris"}
-	app.Run(iris.Addr(":8080"), iris.WithoutServerError(iris.ErrServerClosed), iris.WithOptimizations)
+	app.Listen(":8080", iris.WithoutServerError(iris.ErrServerClosed), iris.WithOptimizations)
 }
 
 func newApp() *iris.Application {

_examples/http_request/read-form/main.go

@@ -40,5 +40,5 @@ func main() {
 		ctx.Writef("Username: %s", username)
 	})
 
-	app.Run(iris.Addr(":8080"))
+	app.Listen(":8080")
 }

_examples/http_request/read-json-struct-validation/main.go

@@ -118,7 +118,7 @@ func main() {
 	// This request will fail due to the empty `User.FirstName` (fname in json)
 	// and `User.LastName` (lname in json).
 	// Check your iris' application terminal output.
-	app.Run(iris.Addr(":8080"), iris.WithoutServerError(iris.ErrServerClosed))
+	app.Listen(":8080", iris.WithoutServerError(iris.ErrServerClosed))
 }
 
 // UserStructLevelValidation contains custom struct level validations that don't always

_examples/http_request/read-json/main.go

@@ -60,5 +60,5 @@ func main() {
 	//
 	// The response should be:
 	// Received: main.Company{Name:"iris-Go", City:"New York", Other:"Something here"}
-	app.Run(iris.Addr(":8080"), iris.WithoutServerError(iris.ErrServerClosed), iris.WithOptimizations)
+	app.Listen(":8080", iris.WithoutServerError(iris.ErrServerClosed), iris.WithOptimizations)
 }

_examples/http_request/read-many/main.go

@@ -30,7 +30,7 @@ Check the terminal window for any queries logs.`)
 	// and ctx.GetBody methods the default golang and net/http behavior
 	// is to consume the readen data - they are not available on any next handlers in the chain -
 	// to change that behavior just pass the `WithoutBodyConsumptionOnUnmarshal` option.
-	app.Run(iris.Addr(":8080"), iris.WithoutBodyConsumptionOnUnmarshal)
+	app.Listen(":8080", iris.WithoutBodyConsumptionOnUnmarshal)
 }
 
 func logAllBody(ctx iris.Context) {

_examples/http_request/read-query/main.go

@@ -25,5 +25,5 @@ func main() {
 	})
 
 	// http://localhost:8080?name=iris&age=3
-	app.Run(iris.Addr(":8080"))
+	app.Listen(":8080")
 }

_examples/http_request/read-xml/main.go

@@ -20,7 +20,7 @@ func main() {
 	//
 	// The response should be:
 	// Received: main.person{XMLName:xml.Name{Space:"", Local:"person"}, Name:"Winston Churchill", Age:90, Description:"Description of this person, the body of this inner element."}
-	app.Run(iris.Addr(":8080"), iris.WithoutServerError(iris.ErrServerClosed), iris.WithOptimizations)
+	app.Listen(":8080", iris.WithoutServerError(iris.ErrServerClosed), iris.WithOptimizations)
 }
 
 func newApp() *iris.Application {

_examples/http_request/read-yaml/main.go

@@ -32,5 +32,5 @@ func handler(ctx iris.Context) {
 
 func main() {
 	app := newApp()
-	app.Run(iris.Addr(":8080"))
+	app.Listen(":8080")
 }

_examples/http_request/request-logger/main.go

@@ -61,5 +61,5 @@ func main() {
 	// http://localhost:8080/2
 	// http://lcoalhost:8080/notfoundhere
 	// see the output on the console.
-	app.Run(iris.Addr(":8080"), iris.WithoutServerError(iris.ErrServerClosed))
+	app.Listen(":8080", iris.WithoutServerError(iris.ErrServerClosed))
 }

_examples/http_request/request-logger/request-logger-file-json/main.go

@@ -82,7 +82,7 @@ func main() {
 	// http://localhost:8080/1
 	// http://localhost:8080/2
 	// http://lcoalhost:8080/notfoundhere
-	app.Run(iris.Addr(":8080"), iris.WithoutServerError(iris.ErrServerClosed))
+	app.Listen(":8080", iris.WithoutServerError(iris.ErrServerClosed))
 }
 
 var excludeExtensions = [...]string{

_examples/http_request/request-logger/request-logger-file/main.go

@@ -35,7 +35,7 @@ func main() {
 	// http://localhost:8080/1
 	// http://localhost:8080/2
 	// http://lcoalhost:8080/notfoundhere
-	app.Run(iris.Addr(":8080"), iris.WithoutServerError(iris.ErrServerClosed))
+	app.Listen(":8080", iris.WithoutServerError(iris.ErrServerClosed))
 }
 
 // get a filename based on the date, file logs works that way the most times

_examples/http_request/upload-file/main.go

@@ -124,5 +124,5 @@ func main() {
 	})
 
 	// start the server at http://localhost:8080 with post limit at 5 MB.
-	app.Run(iris.Addr(":8080") /* 0.*/, iris.WithPostMaxMemory(maxSize))
+	app.Listen(":8080" /* 0.*/, iris.WithPostMaxMemory(maxSize))
 }

_examples/http_request/upload-files/main.go

@@ -72,7 +72,7 @@ func main() {
 	})
 
 	// start the server at http://localhost:8080 with post limit at 32 MB.
-	app.Run(iris.Addr(":8080"), iris.WithPostMaxMemory(32<<20))
+	app.Listen(":8080", iris.WithPostMaxMemory(32<<20))
 }
 
 func saveUploadedFile(fh *multipart.FileHeader, destDirectory string) (int64, error) {