cidre 0.11.4

Apple frameworks bindings for rust
Documentation 
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use crate::{arc, define_obj_type, ns, objc};

define_obj_type!(
   #[doc(alias = "CATransaction")]
   pub Transaction(ns::Id),
   CA_TRANSACTION
);

impl Transaction {
    #[objc::msg_send(begin)]
    pub fn begin();

    #[objc::msg_send(commit)]
    pub fn commit();

    #[objc::msg_send(flush)]
    pub fn flush();

    #[objc::msg_send(lock)]
    pub fn lock();

    #[objc::msg_send(unlock)]
    pub fn unlock();

    #[objc::msg_send(disableActions)]
    pub fn disable_actions() -> bool;

    #[objc::msg_send(setDisableActions:)]
    pub fn set_disable_actions(val: bool);

    #[inline]
    pub fn perform<R, F: FnMut() -> R>(mut f: F) -> R {
        Self::begin();
        let r = f();
        Self::commit();
        r
    }

    #[inline]
    pub fn perform_with_disabled_actions<R, F: FnMut() -> R>(mut f: F) -> R {
        Self::perform(|| {
            Self::set_disable_actions(true);
            f()
        })
    }
}

#[link(name = "ca", kind = "static")]
unsafe extern "C" {
    static CA_TRANSACTION: &'static objc::Class<Transaction>;
}