Struct block2::GlobalBlock

#[repr(C)]
pub struct GlobalBlock<A, R = ()> { /* private fields */ }

An Objective-C block that does not capture its environment.

This is effectively just a glorified function pointer, and can created and stored in static memory using the global_block! macro.

If ConcreteBlock is the Fn-block equivalent, this is likewise the fn-block equivalent.

Methods from Deref<Target = Block<A, R>>

pub unsafe fn call(&self, args: A) -> R

Call self with the given arguments.

Safety

This invokes foreign code that the caller must verify doesn’t violate any of Rust’s safety rules.

For example, if this block is shared with multiple references, the caller must ensure that calling it will not cause a data race.

Trait Implementations

impl<A, R> Debug for GlobalBlock<A, R>

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl<A, R> Deref for GlobalBlock<A, R> where
    A: BlockArguments,
    R: Encode, 

type Target = Block<A, R>

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl<A, R> Send for GlobalBlock<A, R> where
    A: BlockArguments,
    R: Encode, 

impl<A, R> Sync for GlobalBlock<A, R> where
    A: BlockArguments,
    R: Encode,