Library Reference

version 2.111.0

Internal API

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std.experimental.allocator.gc_allocator

D's built-in garbage-collected allocator.

Sourcestd/experimental/allocator/gc_allocator.d

structGCAllocator;

D's built-in garbage-collected allocator.

Examples:

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

enum uintalignment;: The alignment is a static constant equal toplatformAlignment, which ensures proper alignment for any D data type.
pure nothrow @trusted void[]allocate(size_tbytes) shared const; pure nothrow @trusted boolexpand(ref void[]b, size_tdelta) shared const; pure nothrow @system boolreallocate(ref void[]b, size_tnewSize) shared const; pure nothrow @nogc @trusted TernaryresolveInternalPointer(const void*p, ref void[]result) shared const; pure nothrow @nogc @system booldeallocate(void[]b) shared const; pure nothrow @nogc @safe size_tgoodAllocSize(size_tn) shared const;: Standard allocator methods per the semantics defined above. The deallocate andreallocate methods are@system because they may move memory around, leaving dangling pointers in user code.
static shared const GCAllocatorinstance;: Returns the global instance of this allocator type. The garbage collected allocator is thread-safe, therefore all of its methods andinstance itself areshared.

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Library Reference

std.experimental.allocator.gc_allocator