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11 lines
262 B
Nim
11 lines
262 B
Nim
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import ../statemachine
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type PurchaseError* = ref object of PurchaseState
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error*: ref CatchableError
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method enter*(state: PurchaseError) =
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without purchase =? (state.context as Purchase):
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raiseAssert "invalid state"
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purchase.future.fail(state.error)
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