/
main.go
65 lines (49 loc) · 1.54 KB
/
main.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
package main
import (
"fmt"
"github.com/kataras/go-options"
)
type appOptions struct {
Name string
MaxRequests int
DevMode bool
EnableLogs bool
}
type app struct {
options appOptions
}
func newApp(setters ...options.OptionSetter) *app {
opts := appOptions{Name: "My App's Default Name"} // any default options here
options.Struct(&opts, setters...) // convert any dynamic options to the appOptions struct, fills non-default options from the setters
app := &app{options: opts}
return app
}
// Name sets the appOptions.Name field
// pass an (optionall) option via static func
func Name(val string) options.OptionSetter {
return options.Option("Name", val)
}
// Dev sets the appOptions.DevMode & appOptions.EnableLogs field
// pass an (optionall) option via static func
func Dev(val bool) options.OptionSetter {
return options.Options{"DevMode": val, "EnableLogs": val}
}
// and so on...
func passDynamicOptions() {
myApp := newApp(options.Options{"MaxRequests": 17, "DevMode": true})
fmt.Printf("passDynamicOptions: %#v\n", myApp.options)
}
func passDynamicOptionsAlternative() {
myApp := newApp(options.Option("MaxRequests", 17), options.Option("DevMode", true))
fmt.Printf("passDynamicOptionsAlternative: %#v\n", myApp.options)
}
func passFuncsOptions() {
myApp := newApp(Name("My name"), Dev(true))
fmt.Printf("passFuncsOptions: %#v\n", myApp.options)
}
// go run $GOPATH/github.com/kataras/go-options/example/main.go
func main() {
passDynamicOptions()
passDynamicOptionsAlternative()
passFuncsOptions()
}