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//===--- Relation.cpp --------------------------------------------*- C++-*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "Relation.h"
#include <algorithm>
namespace clang {
namespace clangd {
llvm::iterator_range<RelationSlab::iterator>
RelationSlab::lookup(const SymbolID &Subject, RelationKind Predicate) const {
auto IterPair = std::equal_range(Relations.begin(), Relations.end(),
Relation{Subject, Predicate, SymbolID{}},
[](const Relation &A, const Relation &B) {
return std::tie(A.Subject, A.Predicate) <
std::tie(B.Subject, B.Predicate);
});
return {IterPair.first, IterPair.second};
}
RelationSlab RelationSlab::Builder::build() && {
// Sort in SPO order.
llvm::sort(Relations);
// Remove duplicates.
Relations.erase(std::unique(Relations.begin(), Relations.end()),
Relations.end());
return RelationSlab{std::move(Relations)};
}
} // namespace clangd
} // namespace clang
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