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// Copyright 2022 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
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// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
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#ifndef SRC_TINT_LANG_WGSL_AST_NODE_ID_H_
#define SRC_TINT_LANG_WGSL_AST_NODE_ID_H_
#include <stddef.h>
#include <stdint.h>
namespace tint::ast {
/// NodeID is a unique node identifier for a given Program.
/// NodeIDs are sequentially allocated, starting at 0.
struct NodeID {
/// Equality operator
/// @param other the other NodeID
/// @returns true if the NodeIDs are the same
bool operator==(NodeID other) const { return value == other.value; }
/// Less-than comparison operator
/// @param other the other NodeID
/// @returns true if the other comes before this node
bool operator<(NodeID other) const { return value < other.value; }
/// The numerical value for the node identifier
uint32_t value = 0;
};
} // namespace tint::ast
#endif // SRC_TINT_LANG_WGSL_AST_NODE_ID_H_