INNER CODE UNIT · Rust

fmt

c3rb3ru5d3d53c/binlex · crates/libvex/libvex-rs/src/lib.rs:260

    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
        match self {
            Self::AlreadyAllocated => "Some VEX objects are already allocated".fmt(f),
        }
    }
}

impl std::error::Error for LockError {}

impl LiftLock {
    fn new() -> Self {
        Self(ReentrantMutex::new(RefCell::new(0)))
    }

    fn exclusive_lock(&self) -> Result<LiftGuard<'_>, LockError> {
        let guard = self.0.lock();
        if *guard.borrow() != 0 {
            return Err(LockError::AlreadyAllocated);

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