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 | | Quintiq file version 2.0 |  | #parent: #root |  | StaticMethod CheckIsUnique ( |  |   AccountCost cost, |  |   AccountCost previouscost, |  |   AccountCost nextcost |  | ) declarative as Boolean |  | { |  |   Description: 'Return true if the cost is unique for the owner' |  |   TextBody: |  |   [* |  |     // soh yee Jan-2-2014 (created) |  |      |  |     value := guard( cost.Start() <> previouscost.Start() |  |                     or cost.AccountAssignment() <> previouscost.AccountAssignment(), true ) |  |              and |  |              guard( cost.Start() <> nextcost.Start() |  |                     or cost.AccountAssignment() <> nextcost.AccountAssignment(), true ); |  |      |  |     return value; |  |   *] |  | } | 
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