chromium/third_party/dawn/src/dawn/common/Range.h

// Copyright 2023 The Dawn & Tint Authors
//
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#ifndef SRC_DAWN_COMMON_RANGE_H_
#define SRC_DAWN_COMMON_RANGE_H_

#include <type_traits>
#include <utility>

namespace dawn {

// An iterator over a range of numbers. Simplified version of Python's range() iterator that works
// with any integer type (including ityp).
//
// Iterates over [0, end) in order:
//
//   for (auto i : Range(end)) { ... }
//
// Iterates over [start, end) in order:
//
//   for (auto i = Range(start, end)) { ... }
template <typename Integer>
class BeginEndRange { … };

template <typename Integer>
BeginEndRange<Integer> Range(Integer end) { … }
template <typename Integer>
BeginEndRange<Integer> Range(Integer begin, Integer end) { … }

}  // namespace dawn

#endif  // SRC_DAWN_COMMON_RANGE_H_