luau/Common/include/Luau/ExperimentalFlags.h
vegorov-rbx d518d14b92
Sync to upstream/release/640 (#1374)
### What's new

* Fixed many of the false positive errors in indexing of table unions
and table intersections
* It is now possible to run custom checks over Luau AST during
typechecking by setting `customModuleCheck` in `FrontendOptions`
* Fixed codegen issue on arm, where number->vector cast could corrupt
that number value for the next time it's read

### New Solver

* `error` type now behaves as the bottom type during subtyping checks
* Fixed the scope that is used in subtyping with generic types
* Fixed `astOriginalCallTypes` table often used by LSP to match the old
solver

---

### Internal Contributors

Co-authored-by: Aaron Weiss <aaronweiss@roblox.com>
Co-authored-by: Andy Friesen <afriesen@roblox.com>
Co-authored-by: Vighnesh Vijay <vvijay@roblox.com>
Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com>
2024-08-23 09:35:30 -07:00

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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 <string.h>
namespace Luau
{
inline bool isFlagExperimental(const char* flag)
{
// Flags in this list are disabled by default in various command-line tools. They may have behavior that is not fully final,
// or critical bugs that are found after the code has been submitted.
static const char* const kList[] = {
"LuauInstantiateInSubtyping", // requires some fixes to lua-apps code
"LuauFixIndexerSubtypingOrdering", // requires some small fixes to lua-apps code since this fixes a false negative
"StudioReportLuauAny2", // takes telemetry data for usage of any types
// makes sure we always have at least one entry
nullptr,
};
for (const char* item : kList)
if (item && strcmp(item, flag) == 0)
return true;
return false;
}
} // namespace Luau