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Bennyelg/strategy_example.nim

Created September 15, 2018 09:46
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strategy_example.nim
type
User = ref object
name: string
paymentStrategy: proc ()
proc strategyA() =
echo("strategyA")
proc strategyB() =
echo("strategyB")
var user = User(name: "SpoiledUser", paymentStrategy: strategyA)
user.paymentStrategy()
user.paymentStrategy = strategyB
user.paymentStrategy()
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