example_handle_test.go

Documentation: net/http

		 1  // Copyright 2018 The Go Authors. All rights reserved.
		 2  // Use of this source code is governed by a BSD-style
		 3  // license that can be found in the LICENSE file.
		 4  
		 5  package http_test
		 6  
		 7  import (
		 8  	"fmt"
		 9  	"log"
		10  	"net/http"
		11  	"sync"
		12  )
		13  
		14  type countHandler struct {
		15  	mu sync.Mutex // guards n
		16  	n	int
		17  }
		18  
		19  func (h *countHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
		20  	h.mu.Lock()
		21  	defer h.mu.Unlock()
		22  	h.n++
		23  	fmt.Fprintf(w, "count is %d\n", h.n)
		24  }
		25  
		26  func ExampleHandle() {
		27  	http.Handle("/count", new(countHandler))
		28  	log.Fatal(http.ListenAndServe(":8080", nil))
		29  }
		30
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