go-by-test/counter/counter.go

package counter

import "sync"

type Counter struct {
	count int
	mutex sync.Mutex
}

func NewCounter() *Counter {
	return &Counter{}
}

func (c *Counter) Inc() {
	c.mutex.Lock()
	defer c.mutex.Unlock()
	c.count++
}

func (c *Counter) Value() int {
	return c.count
}
counter: add baisics 2024-09-21 15:51:58 +00:00			`package counter`

counter: handle racing situation with mutex 2024-09-21 17:43:09 +00:00			`import "sync"`

counter: add baisics 2024-09-21 15:51:58 +00:00			`type Counter struct {`
			`count int`
counter: handle racing situation with mutex 2024-09-21 17:43:09 +00:00			`mutex sync.Mutex`
counter: add baisics 2024-09-21 15:51:58 +00:00			`}`

counter: Use a constructor 2024-09-21 17:48:58 +00:00			`func NewCounter() *Counter {`
			`return &Counter{}`
			`}`

counter: add baisics 2024-09-21 15:51:58 +00:00			`func (c *Counter) Inc() {`
counter: handle racing situation with mutex 2024-09-21 17:43:09 +00:00			`c.mutex.Lock()`
			`defer c.mutex.Unlock()`
counter: add baisics 2024-09-21 15:51:58 +00:00			`c.count++`
			`}`

			`func (c *Counter) Value() int {`
			`return c.count`
			`}`