pub struct Allocator<T = System> { /* private fields */ }
Expand description
Allocator that needs to be installed.
Delegates allocations to std::alloc::System
(this might be configurable
in the future).
You install it by doing:
#[global_allocator]
static ALLOCATOR: checkers::Allocator = checkers::Allocator::system();
Construct an allocator with a custom delegate global allocator.
#[global_allocator]
static ALLOCATOR: checkers::Allocator = checkers::Allocator::new(std::alloc::System);
Construct an allocator with the system delegate global allocator.
#[global_allocator]
static ALLOCATOR: checkers::Allocator = checkers::Allocator::system();
Allocate memory as described by the given
layout
.
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Deallocate the block of memory at the given
ptr
pointer with the given
layout
.
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Behaves like
alloc
, but also ensures that the contents
are set to zero before being returned.
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Shrink or grow a block of memory to the given
new_size
in bytes.
The block is described by the given
ptr
pointer and
layout
.
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Immutably borrows from an owned value.
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Mutably borrows from an owned value.
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Returns the argument unchanged.
Calls U::from(self)
.
That is, this conversion is whatever the implementation of
From<T> for U
chooses to do.
The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.