Struct arena::DroplessArena

pub struct DroplessArena {
    ptr: Cell<*mut u8>,
    end: Cell<*mut u8>,
    chunks: RefCell<Vec<TypedArenaChunk<u8>>>,
}

🔬 This is a nightly-only experimental API. (rustc_private)

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Fields

ptr: Cell<*mut u8>

🔬 This is a nightly-only experimental API. (rustc_private)

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A pointer to the next object to be allocated.

end: Cell<*mut u8>

🔬 This is a nightly-only experimental API. (rustc_private)

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A pointer to the end of the allocated area. When this pointer is reached, a new chunk is allocated.

chunks: RefCell<Vec<TypedArenaChunk<u8>>>

🔬 This is a nightly-only experimental API. (rustc_private)

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A vector of arena chunks.

Methods

impl DroplessArena

pub fn new() -> DroplessArena

🔬 This is a nightly-only experimental API. (rustc_private)

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pub fn in_arena<T: ?Sized>(&self, ptr: *const T) -> bool

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fn align(&self, align: usize)

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fn grow(&self, needed_bytes: usize)

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pub fn alloc_raw(&self, bytes: usize, align: usize) -> &mut [u8]

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pub fn alloc<T>(&self, object: T) -> &mut T

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pub fn alloc_slice<T>(&self, slice: &[T]) -> &mut [T] where     T: Copy,

🔬 This is a nightly-only experimental API. (rustc_private)

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Allocates a slice of objects that are copied into the DroplessArena, returning a mutable reference to it. Will panic if passed a zero-sized type.

Panics:

• Zero-sized types
• Zero-length slices

Trait Implementations

impl Send for DroplessArena