Struct FValue 

pub struct FValue<T> { /* private fields */ }

Implementations

impl<T: Copy> FValue<T>

pub const fn new(name: *const c_char, def: T, dynamic: bool) -> Self

impl<T: Copy> FValue<T>

pub fn get_global(&self) -> T

impl<T: FValueOverridable> FValue<T>

pub fn get(&self) -> T

impl<T: FValueOverridable> FValue<T>

pub fn push_test_override(&self, value: T)

Install a thread-local override for this flag (used by the test scope guard ScopedFValue). Visible only to the current thread until popped.

pub fn pop_test_override(&self)

Remove the most recent thread-local override for this flag.

impl<T: Copy> FValue<T>

pub fn set(&self, value: T)

Runtime flag set (the CLI/host path mutates the public value field).

pub fn version(&self) -> c_uint

Current version (0 unless a LUAU_FLAGVERSION setter ran).

impl<T: FValueList> FValue<T>

pub unsafe fn register(&'static self)

The C++ ctor side effect next = list; list = this;. Call once, on the flag’s 'static instance, after construction.

Safety

Must be called at most once per flag, before any concurrent list walk (registration is single-threaded startup work, as in C++).

impl<T: FValueList + Copy + 'static> FValue<T>

pub fn set_value_by_name(name: &str, value: T)

Walk the per-type FValue<T>::list and set every flag whose name matches to value (the C++ test harness setFastValue<T>(name, value) in tests/main.cpp). Configured at startup before worker threads — the same single-threaded contract as flag construction.

pub fn set_all_unless(value: T, skip: impl Fn(&str) -> bool)

Walk the per-type FValue<T>::list and set every flag to value unless the host-supplied skip predicate (matched on the flag’s UTF-8 name) returns true. Models the bool --fflags=true|false branch of the C++ test harness setFastFlags, which sets every non-skipped flag. Startup- only, single-threaded — the same contract as flag construction.

Trait Implementations

impl<T: Sync> Sync for FValue<T>