rocket::mtls::x509::der_parser::asn1_rs::nom::lib::std::alloc

Struct Global

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pub struct Global;
๐Ÿ”ฌThis is a nightly-only experimental API. (allocator_api)
Available on crate feature mtls only.
Expand description

The global memory allocator.

This type implements the Allocator trait by forwarding calls to the allocator registered with the #[global_allocator] attribute if there is one, or the std crateโ€™s default.

Note: while this type is unstable, the functionality it provides can be accessed through the free functions in alloc.

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impl Allocator for Global

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fn allocate(&self, layout: Layout) -> Result<NonNull<[u8]>, AllocError>

๐Ÿ”ฌThis is a nightly-only experimental API. (allocator_api)
Attempts to allocate a block of memory. Read more
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fn allocate_zeroed(&self, layout: Layout) -> Result<NonNull<[u8]>, AllocError>

๐Ÿ”ฌThis is a nightly-only experimental API. (allocator_api)
Behaves like allocate, but also ensures that the returned memory is zero-initialized. Read more
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unsafe fn deallocate(&self, ptr: NonNull<u8>, layout: Layout)

๐Ÿ”ฌThis is a nightly-only experimental API. (allocator_api)
Deallocates the memory referenced by ptr. Read more
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unsafe fn grow( &self, ptr: NonNull<u8>, old_layout: Layout, new_layout: Layout, ) -> Result<NonNull<[u8]>, AllocError>

๐Ÿ”ฌThis is a nightly-only experimental API. (allocator_api)
Attempts to extend the memory block. Read more
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unsafe fn grow_zeroed( &self, ptr: NonNull<u8>, old_layout: Layout, new_layout: Layout, ) -> Result<NonNull<[u8]>, AllocError>

๐Ÿ”ฌThis is a nightly-only experimental API. (allocator_api)
Behaves like grow, but also ensures that the new contents are set to zero before being returned. Read more
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unsafe fn shrink( &self, ptr: NonNull<u8>, old_layout: Layout, new_layout: Layout, ) -> Result<NonNull<[u8]>, AllocError>

๐Ÿ”ฌThis is a nightly-only experimental API. (allocator_api)
Attempts to shrink the memory block. Read more
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fn by_ref(&self) -> &Self
where Self: Sized,

๐Ÿ”ฌThis is a nightly-only experimental API. (allocator_api)
Creates a โ€œby referenceโ€ adapter for this instance of Allocator. Read more
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impl Clone for Global

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fn clone(&self) -> Global

Returns a copy of the value. Read more
1.0.0 ยท Sourceยง

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Global

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

Formats the value using the given formatter. Read more
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impl Default for Global

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fn default() -> Global

Returns the โ€œdefault valueโ€ for a type. Read more
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impl Copy for Global

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Immutably borrows from an owned value. Read more
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๐Ÿ”ฌThis is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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