Struct Closure

#[repr(C)]
pub(super) struct Closure<'a, A, R> {
    call: unsafe extern "C" fn(*mut Env, A) -> R,
    env: *mut Env,
    _marker: PhantomData<*mut &'a mut ()>,
}

🔬This is a nightly-only experimental API. (proc_macro_internals #27812)

Fields

call: unsafe extern "C" fn(*mut Env, A) -> R

🔬This is a nightly-only experimental API. (proc_macro_internals #27812)

env: *mut Env

🔬This is a nightly-only experimental API. (proc_macro_internals #27812)

_marker: PhantomData<*mut &'a mut ()>

🔬This is a nightly-only experimental API. (proc_macro_internals #27812)

Implementations

impl<'a, A, R> Closure<'a, A, R>

pub(super) fn call(&mut self, arg: A) -> R

🔬This is a nightly-only experimental API. (proc_macro_internals #27812)

Trait Implementations

impl<'a, A, R, F: FnMut(A) -> R> From<&'a mut F> for Closure<'a, A, R>

fn from(f: &'a mut F) -> Self

Converts to this type from the input type.