luau/EqSat/include/Luau/Id.h
Hunter Goldstein a36a3c41cc
Sync to upstream/release/651 (#1513)
### What's New?

* Fragment Autocomplete: a new API allows for type checking a small
fragment of code against an existing file, significantly speeding up
autocomplete performance in large files.

### New Solver

* E-Graphs have landed: this is an ongoing approach to make the new type
solver simplify types in a more consistent and principled manner, based
on similar work (see: https://egraphs-good.github.io/).
* Adds support for exporting / local user type functions (previously
they were always exported).
* Fixes a set of bugs in which the new solver will fail to complete
inference for simple expressions with just literals and operators.

### General Updates
* Requiring a path with a ".lua" or ".luau" extension will now have a
bespoke error suggesting to remove said extension.
* Fixes a bug in which whether two `Luau::Symbol`s are equal depends on
whether the new solver is enabled.

---

Internal Contributors:

Co-authored-by: Aaron Weiss <aaronweiss@roblox.com>
Co-authored-by: Andy Friesen <afriesen@roblox.com>
Co-authored-by: David Cope <dcope@roblox.com>
Co-authored-by: Hunter Goldstein <hgoldstein@roblox.com>
Co-authored-by: Varun Saini <vsaini@roblox.com>
Co-authored-by: Vighnesh Vijay <vvijay@roblox.com>
Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com>
2024-11-08 13:41:45 -08:00

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C++

// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
#pragma once
#include <cstddef>
#include <cstdint>
#include <functional>
namespace Luau::EqSat
{
struct Id final
{
explicit Id(uint32_t id);
explicit operator uint32_t() const;
bool operator==(Id rhs) const;
bool operator!=(Id rhs) const;
bool operator<(Id rhs) const;
private:
uint32_t id;
};
} // namespace Luau::EqSat
template<>
struct std::hash<Luau::EqSat::Id>
{
size_t operator()(Luau::EqSat::Id id) const;
};