Custom providers

var PrimaryDSN = dygo.NewToken[string]("dsn.primary")

dygo.Value("postgres://...", dygo.For(PrimaryDSN))

type Params struct {
    dygo.In
    DSN     string       `name:"dsn.primary"`
    Cache   Cache        `optional:"true"`  // zero value if nobody provides it
    Plugins []Plugin     `group:"plugins"`  // every provider registered with dygo.Group("plugins")
}

func NewThing(p Params) *Thing { ... }