Struct GlobalState 

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

Safe global state with mutex (Rust 2024 compatible)

Implementations

impl<T> GlobalState<T>

pub const fn new() -> Self

Create new uninitialized global state

pub fn init(&self, value: T) -> Result<(), T>

Initialize the global state

pub fn with<R, F: FnOnce(&T) -> R>(&self, f: F) -> Option<R>

Get reference with closure

pub fn with_mut<R, F: FnOnce(&mut T) -> R>(&self, f: F) -> Option<R>

Get mutable reference with closure

pub fn try_get(&self) -> Option<MutexGuard<'_, Option<T>>>

Try to get a reference (may fail if not initialized)

Trait Implementations

impl<T> Default for GlobalState<T>

fn default() -> Self

Returns the “default value” for a type.

impl<T: Send> Send for GlobalState<T>

impl<T: Send> Sync for GlobalState<T>