oxedyne/fe2o3 — fe2o3_text/tests/detect

923 bytes, 1 run

created by r1870400018:11972, which is this file's identity for as long as the history lasts, whatever it is later renamed to

1	package main
2
3	import (
4	"fmt"
5	"os"
6	"strings"
7	"sync"
8	)
9
10	type Cache struct {
11	mu sync.RWMutex
12	items map[string]string
13	}
14
15	func NewCache() *Cache {
16	return &Cache{
17	items: make(map[string]string),
18	}
19	}
20
21	func (c *Cache) Get(key string) (string, bool) {
22	c.mu.RLock()
23	defer c.mu.RUnlock()
24	val, ok := c.items[key]
25	return val, ok
26	}
27
28	func (c *Cache) Set(key, value string) {
29	c.mu.Lock()
30	defer c.mu.Unlock()
31	c.items[key] = value
32	}
33
34	func (c *Cache) Delete(key string) {
35	c.mu.Lock()
36	defer c.mu.Unlock()
37	delete(c.items, key)
38	}
39
40	func (c *Cache) Len() int {
41	c.mu.RLock()
42	defer c.mu.RUnlock()
43	return len(c.items)
44	}
45
46	func main() {
47	cache := NewCache()
48
49	for _, arg := range os.Args[1:] {
50	parts := strings.SplitN(arg, "=", 2)
51	if len(parts) == 2 {
52	cache.Set(parts[0], parts[1])
53	}
54	}
55
56	fmt.Printf("cache has %d entries\n", cache.Len())
57
58	if val, ok := cache.Get("name"); ok {
59	fmt.Printf("name = %s\n", val)
60	}
61	}