73afee1e0d
This operator can be safely brought in scope when needed with "using stl_helpers::operator<<". In order to provide a specialization for operator<< with stl_helpers-enabled types without loosing the hability to use it with other types, a dual-dispatch mechanism is used. The only entry point in the system is through a primary dispatch function that won't resolve for non-helped types. Then, recursive calls go through the secondary dispatch interface that sort between helped and non-helped types. Helped typed will enter the system back through the primary dispatch interface while other types will look for operator<< through regular lookup, especially ADL. Change-Id: I1609dd6e85e25764f393458d736ec228e025da32 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/67666 Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br> Tested-by: kokoro <noreply+kokoro@google.com> Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
36 lines
1.7 KiB
C++
36 lines
1.7 KiB
C++
/*
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* Copyright (c) 2010 The Hewlett-Packard Development Company
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef BASE_STL_HELPERS_HH
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#define BASE_STL_HELPERS_HH
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#include "base/stl_helpers/hash_helpers.hh"
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#include "base/stl_helpers/ostream_helpers.hh"
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#endif // BASE_STL_HELPERS_HH
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