Struct safer_ffi::closure::boxed::BoxDynFnMut0

#[repr(C)]pub struct BoxDynFnMut0<Ret> where
    Ret: ReprC,  { /* fields omitted */ }

This is supported on feature="alloc" only.

Box<dyn 'static + Send + FnMut() -> Ret>

C Layout

• BoxDynFnMut0_Layout

Implementations

impl<Ret> BoxDynFnMut0<Ret> where
    Ret: ReprC, 

pub fn new<F>(f: Box<F>) -> Self where
    F: FnMut() -> Ret,
    F: Send + 'static, 

This is supported on feature="alloc" only.

impl<Ret> BoxDynFnMut0<Ret> where
    Ret: ReprC, 

pub fn call(&mut self) -> Ret

This is supported on feature="alloc" only.

Trait Implementations

impl<Ret> Debug for BoxDynFnMut0<Ret> where
    Ret: ReprC, 

fn fmt(&self, fmt: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<Ret> Drop for BoxDynFnMut0<Ret> where
    Ret: ReprC, 

fn drop(&mut self)

Executes the destructor for this type.

impl<Ret> ReprC for BoxDynFnMut0<Ret> where
    NonNull<c_void>: ReprC,
    <NonNull<c_void> as ReprC>::CLayout: CType<OPAQUE_KIND = Concrete>,
    unsafe extern "C" fn(env_ptr: NonNull<c_void>) -> Ret: ReprC,
    <unsafe extern "C" fn(env_ptr: NonNull<c_void>) -> Ret as ReprC>::CLayout: CType<OPAQUE_KIND = Concrete>,
    unsafe extern "C" fn(env_ptr: NonNull<c_void>): ReprC,
    <unsafe extern "C" fn(env_ptr: NonNull<c_void>) as ReprC>::CLayout: CType<OPAQUE_KIND = Concrete>,
    Ret: ReprC,
    Ret: ReprC, 

type CLayout = BoxDynFnMut0_Layout<Ret>

The CType having the same layout as Self.

fn is_valid(it: &Self::CLayout) -> bool

Sanity checks that can be performed on an instance of the CType layout.

impl<Ret> Send for BoxDynFnMut0<Ret> where
    Ret: ReprC, 

Box<dyn Send + ...> : Send