79 /// use std::alloc::{alloc, dealloc, handle_alloc_error, Layout};
82 ///     let layout = Layout::new::<u16>();
83 ///     let ptr = alloc(layout);
85 ///         handle_alloc_error(layout);
91 ///     dealloc(ptr, layout);
97 pub unsafe fn alloc(layout: Layout) -> *mut u8 {  in alloc()
104         __rust_alloc(layout.size(), layout.align())  in alloc()
122 pub unsafe fn dealloc(ptr: *mut u8, layout: Layout) {  in dealloc()  argument
123     unsafe { __rust_dealloc(ptr, layout.size(), layout.align()) }  in dealloc()
141 pub unsafe fn realloc(ptr: *mut u8, layout: Layout, new_size: usize) -> *mut u8 {  in realloc()  argument
142     unsafe { __rust_realloc(ptr, layout.size(), layout.align(), new_size) }  in realloc()
161 /// use std::alloc::{alloc_zeroed, dealloc, Layout};
164 ///     let layout = Layout::new::<u16>();
165 ///     let ptr = alloc_zeroed(layout);
169 ///     dealloc(ptr, layout);
175 pub unsafe fn alloc_zeroed(layout: Layout) -> *mut u8 {  in alloc_zeroed()
176     unsafe { __rust_alloc_zeroed(layout.size(), layout.align()) }  in alloc_zeroed()
182     fn alloc_impl(&self, layout: Layout, zeroed: bool) -> Result<NonNull<[u8]>, AllocError> {  in alloc_impl()  argument
183         match layout.size() {  in alloc_impl()
184             0 => Ok(NonNull::slice_from_raw_parts(layout.dangling(), 0)),  in alloc_impl()
185             // SAFETY: `layout` is non-zero in size,  in alloc_impl()
187                 let raw_ptr = if zeroed { alloc_zeroed(layout) } else { alloc(layout) };  in alloc_impl()
199         old_layout: Layout,  in grow_impl()  argument
200         new_layout: Layout,  in grow_impl()  argument
246     fn allocate(&self, layout: Layout) -> Result<NonNull<[u8]>, AllocError> {  in allocate()
247         self.alloc_impl(layout, false)  in allocate()
251     fn allocate_zeroed(&self, layout: Layout) -> Result<NonNull<[u8]>, AllocError> {  in allocate_zeroed()
252         self.alloc_impl(layout, true)  in allocate_zeroed()
256     unsafe fn deallocate(&self, ptr: NonNull<u8>, layout: Layout) {  in deallocate()  argument
257         if layout.size() != 0 {  in deallocate()
258             // SAFETY: `layout` is non-zero in size,  in deallocate()
260             unsafe { dealloc(ptr.as_ptr(), layout) }  in deallocate()
268         old_layout: Layout,  in grow()  argument
269         new_layout: Layout,  in grow()  argument
279         old_layout: Layout,  in grow_zeroed()  argument
280         new_layout: Layout,  in grow_zeroed()  argument
290         old_layout: Layout,  in shrink()  argument
291         new_layout: Layout,  in shrink()  argument
335     let layout = unsafe { Layout::from_size_align_unchecked(size, align) };  in exchange_malloc()  localVariable
336     match Global.allocate(layout) {  in exchange_malloc()
338         Err(_) => handle_alloc_error(layout),  in exchange_malloc()
353         let layout = Layout::from_size_align_unchecked(size, align);  in box_free()  localVariable
354         alloc.deallocate(From::from(ptr.cast()), layout)  in box_free()
384 pub const fn handle_alloc_error(layout: Layout) -> ! {  in handle_alloc_error()  argument
385     const fn ct_error(_: Layout) -> ! {  in handle_alloc_error()  argument
389     fn rt_error(layout: Layout) -> ! {  in handle_alloc_error()  argument
391             __rust_alloc_error_handler(layout.size(), layout.align());  in handle_alloc_error()
395     unsafe { core::intrinsics::const_eval_select((layout,), ct_error, rt_error) }  in handle_alloc_error()