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55f3e00938
## What's Changed? This week we have an update with an implementation for one of the RFCs we had approved before, an improvement of the new type solver and a small Lua 5.1 C API compatibility improvement. * `@deprecated` attribute can now have a custom suggestion for a replacement and a reason message as described in [deprecated attribute parameters RFC](https://rfcs.luau.org/syntax-attribute-functions-deprecated.html) For example: ```luau @[deprecated {reason = "foo suffers from performance issues", use = "bar"}] local function foo() ... end -- Function 'foo' is deprecated, use 'bar' instead. foo suffers from performance issues foo() ``` * `lua_cpcall` C API function has been restored both for compatibility with Lua 5.1 and as a safe way to enter protected call environment to work with Luau C API functions that may error Instead of ``` if (!lua_checkstack(L, 2)) return -1; lua_pushcfunction(L, test, nullptr); lua_pushlightuserdata(L, context); int status = lua_pcall(L, 1, 0, 0); ``` you can simply do ``` int status = lua_cpcall(L, test, context); ``` * In Luau CLI, required module return values can now have any type ## New Type Solver - Additional improvements on type refinements used with external types should fix some reported false positive errors where types refined to `never` - Fixed an issue in recursive refinement types in a form of `t1 where t1 = refine<t1, _>` getting 'stuck' - Fixed an issue in subtyping of generic functions, it is now possible to assign `<T>(T, (T) -> T) -> T` to `(number, <X>(X) -> X) -> number` - Fixed an ICE caused by recursive types (Fixes #1686) - Added additional iteration and recursion limits to stop the type solver before system resources are used up ## Internal Contributors Co-authored-by: Andy Friesen <afriesen@roblox.com> Co-authored-by: Annie Tang <annietang@roblox.com> Co-authored-by: Ariel Weiss <aaronweiss@roblox.com> Co-authored-by: Hunter Goldstein <hgoldstein@roblox.com> Co-authored-by: Ilya Rezvov <irezvov@roblox.com> Co-authored-by: Sora Kanosue <skanosue@roblox.com> Co-authored-by: Vighnesh Vijay <vvijay@roblox.com> Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com> |
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| .. | ||
| apicalls.luau | ||
| assert.luau | ||
| attrib.luau | ||
| basic.luau | ||
| bitwise.luau | ||
| buffers.luau | ||
| calls.luau | ||
| clear.luau | ||
| closure.luau | ||
| constructs.luau | ||
| coroutine.luau | ||
| coverage.luau | ||
| cyield.luau | ||
| datetime.luau | ||
| debug.luau | ||
| debugger.luau | ||
| errors.luau | ||
| events.luau | ||
| exceptions.luau | ||
| gc.luau | ||
| ifelseexpr.luau | ||
| interrupt.luau | ||
| iter.luau | ||
| literals.luau | ||
| locals.luau | ||
| math.luau | ||
| move.luau | ||
| native.luau | ||
| native_types.luau | ||
| native_userdata.luau | ||
| ndebug_upvalues.luau | ||
| pcall.luau | ||
| pm.luau | ||
| safeenv.luau | ||
| sort.luau | ||
| strconv.luau | ||
| stringinterp.luau | ||
| strings.luau | ||
| tables.luau | ||
| tmerror.luau | ||
| tpack.luau | ||
| types.luau | ||
| userdata.luau | ||
| utf8.luau | ||
| vararg.luau | ||
| vector.luau | ||
| vector_library.luau | ||