File size: 820 Bytes
6851d40 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | // RUN: %verify "%s"
/*******************************************************************************
* Original Copyright under the following:
* Copyright 2018-2021 VMware, Inc., Microsoft Inc., Carnegie Mellon University,
* ETH Zurich, and University of Washington
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) Microsoft Corporation
* SPDX-License-Identifier: MIT
*
* Modifications and Extensions: Copyright by the contributors to the Dafny Project
* SPDX-License-Identifier: MIT
*******************************************************************************/
module {:options "-functionSyntax:4"} Functions {
ghost predicate Injective<X(!new), Y>(f: X-->Y)
reads f.reads
requires forall x :: f.requires(x)
{
forall x1, x2 :: f(x1) == f(x2) ==> x1 == x2
}
}
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