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-rw-r--r--src/3rdparty/llvm/include/llvm/ADT/iterator_range.h68
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diff --git a/src/3rdparty/llvm/include/llvm/ADT/iterator_range.h b/src/3rdparty/llvm/include/llvm/ADT/iterator_range.h
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--- a/src/3rdparty/llvm/include/llvm/ADT/iterator_range.h
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-//===- iterator_range.h - A range adaptor for iterators ---------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-/// \file
-/// This provides a very simple, boring adaptor for a begin and end iterator
-/// into a range type. This should be used to build range views that work well
-/// with range based for loops and range based constructors.
-///
-/// Note that code here follows more standards-based coding conventions as it
-/// is mirroring proposed interfaces for standardization.
-///
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_ADT_ITERATOR_RANGE_H
-#define LLVM_ADT_ITERATOR_RANGE_H
-
-#include <iterator>
-#include <utility>
-
-namespace llvm {
-
-/// \brief A range adaptor for a pair of iterators.
-///
-/// This just wraps two iterators into a range-compatible interface. Nothing
-/// fancy at all.
-template <typename IteratorT>
-class iterator_range {
- IteratorT begin_iterator, end_iterator;
-
-public:
- //TODO: Add SFINAE to test that the Container's iterators match the range's
- // iterators.
- template <typename Container>
- iterator_range(Container &&c)
- //TODO: Consider ADL/non-member begin/end calls.
- : begin_iterator(c.begin()), end_iterator(c.end()) {}
- iterator_range(IteratorT begin_iterator, IteratorT end_iterator)
- : begin_iterator(std::move(begin_iterator)),
- end_iterator(std::move(end_iterator)) {}
-
- IteratorT begin() const { return begin_iterator; }
- IteratorT end() const { return end_iterator; }
-};
-
-/// \brief Convenience function for iterating over sub-ranges.
-///
-/// This provides a bit of syntactic sugar to make using sub-ranges
-/// in for loops a bit easier. Analogous to std::make_pair().
-template <class T> iterator_range<T> make_range(T x, T y) {
- return iterator_range<T>(std::move(x), std::move(y));
-}
-
-template <typename T> iterator_range<T> make_range(std::pair<T, T> p) {
- return iterator_range<T>(std::move(p.first), std::move(p.second));
-}
-
-template<typename T>
-iterator_range<decltype(begin(std::declval<T>()))> drop_begin(T &&t, int n) {
- return make_range(std::next(begin(t), n), end(t));
-}
-}
-
-#endif