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33 lines
779 B
33 lines
779 B
5 years ago
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package webserver
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type Server struct {
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Timeout time.Duration
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Port int
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ListenAddress string
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}
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type Option func(*Server)
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func Timeout(d time.Duration) Option {
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return func(s *Server) { s.Timeout = d }
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}
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func Port(p int) Option {
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return func(s *Server) { s.Port = p }
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}
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func New(opts ...Option) *Server {
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s := &Server{ // initialise with default values
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Timeout: 500*time.Millisecond,
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Port: 0, // uses a random port on the host
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ListenAddress: "http://localhost",
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}
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// apply all options
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for _, opt := range opts {
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opt(s)
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}
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return s
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}
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// usage examples from outside the package:
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s := webserver.New() // uses all the default options
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s := webserver.New(webserver.Timeout(time.Second), webserver.Port(8080))
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