53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
/** @file DArray.cpp
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*
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* @author Roland Conybeare, Jan 2026
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**/
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#include "DArray.hpp"
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namespace xo {
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using xo::mm::AGCObject;
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using xo::facet::typeseq;
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namespace scm {
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DArray *
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DArray::empty(obj<AAllocator> mm,
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size_type cap)
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{
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assert(cap > 0);
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DArray * result = nullptr;
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if (cap > 0) {
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void * mem = mm.alloc(typeseq::id<DArray>(),
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sizeof(DArray) + cap * sizeof(obj<AGCObject>));
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result = new (mem) DArray();
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assert(result);
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result->capacity_ = cap;
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result->size_ = 0;
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}
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return result;
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}
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bool
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DArray::push_back(obj<AGCObject> elt) noexcept {
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if (size_ >= capacity_) {
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return false;
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} else {
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static_assert(!std::is_trivially_constructible_v<obj<AGCObject>>);
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void * mem = &(elts_[size_]);
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new (mem) obj<AGCObject>(elt);
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++(this->size_);
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return true;
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}
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}
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} /*namespace scm*/
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} /*namespace xo*/
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