45 lines
844 B
Go
45 lines
844 B
Go
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package di_test
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import (
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"fmt"
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"go.neonxp.dev/di"
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)
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func ExampleGet() {
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di.Register("serviceA", func() (*ServiceA, error) { // <- Register service A
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return &ServiceA{}, nil
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})
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di.Register("serviceB", func() (*ServiceB, error) { // <- Register service B, that depends from service A
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serviceA, err := di.Get[ServiceA]() // <- Get dependency from container by type
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if err != nil {
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return nil, err
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}
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return &ServiceB{
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ServiceA: serviceA[0],
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}, nil
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})
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// Do work...
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service, err := di.GetById[ServiceB]("serviceB") // <- Get instantinated service B
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if err != nil {
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panic(err)
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}
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service.DoStuff() // Output: Hello, world!
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}
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type ServiceA struct{}
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func (d *ServiceA) DoStuff() {
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fmt.Println("Hello, world!")
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}
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type ServiceB struct {
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ServiceA *ServiceA
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}
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func (d *ServiceB) DoStuff() {
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d.ServiceA.DoStuff()
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}
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