什么是 POI,它是什么意思? [英] What is POI and what does it mean?

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问题描述

什么是兴趣点?我已经看到这个术语在 C++ 模板的上下文中被多次使用.什么意思?

What is POI? I have seen this term being used several times in context of C++ Templates. What does it mean?

推荐答案

POI 表示实例化点.

POI means Point Of Instantiation.

来自 C++ 模板:完整指南

From C++ Templates : The Complete Guide

10.3.2 实例化要点

10.3.2 Points of Instantiation

当代码构造引用模板特化时,会创建实例化点 (POI),即需要实例化相应模板的定义才能创建该特化.POI 是源中可以插入替换模板的点.:

A point of instantiation (POI) is created when a code construct refers to a template specialization in such a way that the definition of the corresponding template needs to be instantiated to create that specialization. The POI is a point in the source where the substituted template could be inserted.:

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