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version 2.100.0

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Struct std.experimental.allocator.gc_allocator.GCAllocator

D's built-in garbage-collected allocator.

struct GCAllocator ;

Fields

NameTypeDescription
instance const(shared(GCAllocator))Returns the global instance of this allocator type. The garbage collected allocator is thread-safe, therefore all of its methods and instance itself are shared.

Methods

NameDescription
allocate (bytes) Standard allocator methods per the semantics defined above. The deallocate and reallocate methods are @system because they may move memory around, leaving dangling pointers in user code.
deallocate (b) Standard allocator methods per the semantics defined above. The deallocate and reallocate methods are @system because they may move memory around, leaving dangling pointers in user code.
expand (b, delta) Standard allocator methods per the semantics defined above. The deallocate and reallocate methods are @system because they may move memory around, leaving dangling pointers in user code.
goodAllocSize (n) Standard allocator methods per the semantics defined above. The deallocate and reallocate methods are @system because they may move memory around, leaving dangling pointers in user code.
reallocate (b, newSize) Standard allocator methods per the semantics defined above. The deallocate and reallocate methods are @system because they may move memory around, leaving dangling pointers in user code.
resolveInternalPointer (p, result) Standard allocator methods per the semantics defined above. The deallocate and reallocate methods are @system because they may move memory around, leaving dangling pointers in user code.

Example

auto buffer = GCAllocator.instance.allocate(1024 * 1024 * 4);
// deallocate upon scope's end (alternatively: leave it to collection)
scope(exit) GCAllocator.instance.deallocate(buffer);
//...

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