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2017-04-27 Claire Dross <dross@adacore.com> * a-cforma.adb, a-cforma.ads (=): Generic parameter removed to allow the use of regular equality over elements in contracts. (Formal_Model): Ghost package containing model functions that are used in subprogram contracts. (Current_To_Last): Removed, model functions should be used instead. (First_To_Previous): Removed, model functions should be used instead. (Strict_Equal): Removed, model functions should be used instead. (No_Overlap): Removed, model functions should be used instead. * a-cofuma.adb, a-cofuma.ads (Enable_Handling_Of_Equivalence) Boolean generic parameter to disable contracts for equivalence between keys. (Witness): Create a witness of a key that is used for handling of equivalence between keys. (Has_Witness): Check whether a witness is contained in a map. (W_Get): Get the element associated to a witness. (Lift_Equivalent_Keys): Removed, equivalence between keys is handled directly. * a-cofuse.adb, a-cofuse.ads (Enable_Handling_Of_Equivalence) Boolean generic parameter to disable contracts for equivalence between keys. * a-cfhama.adb, a-cfhama.ads (Formal_Model.P) Disable handling of equivalence on functional maps. * a-cfdlli.adb, a-cfdlli.ads (Formal_Model.P) Disable handling of equivalence on functional maps. From-SVN: r247328
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