If you need to write a user-defined allocator, you have to follow some basic requirements

如果你需要寫一個(gè)自己定制的allocator国产激情自拍小视频，你必須遵循下面的這些要求

As you can see, the reasons to write your own allocator are very dependent on your application.

你需要自己寫allocator的原因通常都和你的應(yīng)用緊密相關(guān)花蝴蝶在线观看免费中文版。

The construction of an allocator is not allowed to throw.

是因?yàn)樗鼈兊漠惓Ｂ暶鳎篴llocator的構(gòu)造不允許拋出異常。

It is a lower-level analog of the behavior provided by the construct member of the allocator class.

它是對 allocator 類的 construct 成員所提供的行為的低級模擬国产天天人人操。

So, why implement an allocator on your own in the first place?

說來說去高国产AV网站，為什么我們需要實(shí)現(xiàn)自己的allocator呢？

And yes, as you already might have guessed, the whole memory management is done through the so-called allocator.

并且你懂的自拍偷拍，正如你可以能已經(jīng)猜到的那樣欧美洲视频在线观看，全部的內(nèi)存管理工作都是通過allocator完成的。

These functions behave similarly to the allocate and deallocate members of the allocator class.

這些函數(shù)的表現(xiàn)與 allocate 類的 allocator 和 deallocate 成員類似欧洲美女A片一区二区三区。

A calculation model is established for the corrugation and annular flow field of a stratification injection allocator by using 3D Max and it is put into VR environment of PHOENICS and based on the actual geometric size of the allocator,κ-ε turbulent calculating model is used for numerical calculation of water medium flow field by using orthogonal and detail grid under coordinate system.

用3D Max建立了分層配注器波紋環(huán)空流場的計(jì)算模型性一交一乱一轮，調(diào)入PHOENICS的VR編輯環(huán)境中，根據(jù)實(shí)際配注器的幾何尺寸欧美一级片一区，在柱坐標(biāo)系下在线观看国产日韩精品专区AV，采用局部加密正交網(wǎng)格，應(yīng)用k-ε湍流計(jì)算模型對水介質(zhì)流場進(jìn)行了數(shù)值計(jì)算欧美成年网，給出流場的速度分布與壓力分布曲線搡女网站，并對比分析了3種形狀的波紋環(huán)空流場的數(shù)值計(jì)算結(jié)果国模人体超大尺度私拍。

However, the memory it allocates is unconstructed. Users of allocator must separately construct and destroy objects placed in the memory it allocates.

但是，它分配的內(nèi)存是未構(gòu)造的人人操人人看人人玩人人爱， allocator 的用戶必須分別 construct 和 destroy 放置在該內(nèi)存中的對象性生活无码黄色。

The operator new function next checks whether there are any objects on the freelist. If not, it asks the allocator member to allocate chunk new, unconstructed objects. It then iterates through the newly allocated objects, setting the next pointer.

operator new 函數(shù)接著檢查自由列表中是否有對象，如果沒有欧美黄色一级线上免费播放，它就請求 allocator 成員分配 chunk 個(gè)新的未構(gòu)造對象免费可以看黄的视频网站，然后，它通過新分配的對象進(jìn)行迭代欧美韩日中免费网站，設(shè)置 next 指針先锋音影资源。