C++自修入門實境秀、C++ Primer 5版研讀秀 23/ ~4.6. The Member Access Operators 漢文博士構形...
4.6. The Member Access Operators
4.6成員存取運算子
22:00(第23集)
p is a pointer, which has no members;
指標不會有成員！
箭號運算子的運算元是一個指標型別
箭號運算子產生左值（lvalue）左址右值
點運算子，如果存取成員所屬物件是左值，則傳回左值，否則就傳回右值（rvalue）。
練習4.20
vector＜string＞::iterator iter;
vector＜string＞ svec{"名豈文章著？","官應老病休！"
,"飄飄何所似","天地一沙鷗"};
for (iter=svec.begin();iter!=svec.end();)
{
cout ＜＜ *iter++ ＜＜ endl;
}
//(a)* iter++;
52:00
可見遞增運算子是不支援string型別的
vector＜string＞::iterator iter;
vector＜string＞ svec{"細草微風岸","危檣獨夜舟",
"星垂平野闊","月湧大江流",
"名豈文章著？","官應老病休！"
,"飄飄何所似","天地一沙鷗"};//https://ctext.org/library.pl?if=gb&file=77996&page=113#%E5%90%8D%E8%B1%88%E6%96%87%E7%AB%A0%E8%91%97
for (iter=svec.begin();iter!=svec.end();)
{
cout ＜＜ (*iter)++ ＜＜ endl;
}
//(b)(*iter)++;
Severity Code Description
Error (active) E0349 no operator "++" matches these operands
Error C2676 binary '++': 'std::basic_string＜char,std::char_traits＜char＞,std::allocator＜char＞＞' does not define this operator or a conversion to a type acceptable to the predefined operator
任真吟
55:20
59:50
vector＜string＞::iterator iter;
vector＜string＞ svec{"細草微風岸","危檣獨夜舟",
"星垂平野闊","月湧大江流",
"名豈文章著？","官應老病休！"
,"飄飄何所似","天地一沙鷗"
,""};// https://ctext.org/library.pl?if=gb&file=77996&page=113#%E5%90%8D%E8%B1%88%E6%96%87%E7%AB%A0%E8%91%97
for (iter=svec.begin();iter!=svec.end();)
{
cout ＜＜ (* iter++).empty() ＜＜ endl;
}
//(c)* iter.empty()
for (iter=svec.begin();iter!=svec.end();)
{
cout ＜＜ iter++-＞empty() ＜＜ endl;
}
//(d)iter-＞empty();
1:21:00
for (iter=svec.begin();iter!=svec.end();++iter)
{
cout ＜＜ *iter ＜＜ endl;
}
//(e)++* iter;
1:22:00
//(f)iter++-＞empty();//已見前
1:26:10
參考： 〈Smarter Member List Filtering for C++〉https://devblogs.microsoft.com/cppblog/smarter-member-list-filtering-for-c/?fbclid=IwAR1QKf6LyDcNOCK7TASN5wqt1IKVhwWZJZ-5-kRQKF-vNI56k4VMGBfkPYE
1:37:30
As an experimental feature, Predictive IntelliSense is disabled by default, but can be enabled under Tools ＞ Options ＞ Text Editor ＞ C/C++ ＞ Experimental. Or simply type “predictive” in the (Ctrl + Q) Search Bar.
Note: If you ever wish to un–filter the completion list, just click the green “+” symbol in the bottom left of the list.
2:32:00
Visual Studio 2019
Debugging Tips and Tricks Part 2（Visual Studio Toolbox）
https://channel9.msdn.com/Shows/Visual-Studio-Toolbox/Debugging-Tips-and-Tricks-Part-2?fbclid=IwAR0pfXFbExbKte7dpKmy7UwnqJmjCBU7hK_Yw6kZ3yAXSF7H57dGVN8-cFg
https://youtu.be/kQHbGPF7TZQ
Step int Specific（Visual Studio Text editor快顯功能表選項）
可以到指定的調用（呼叫）函式處
$ReturnValue （在Watch監看視窗裡，name欄位）
可以分開查看一個傳回值的各個部分
2:38:50
Debugging Tips and Tricks Part 1
DebuggerDisplay
〈Customize object displays in the Visual Studio debugger YOUR way〉
2:51:00 Text Visualizers 文字視覺化
2:55:00
New Little Features in Visual Studio 2019
快速建置新專案模板，大概只有在C# 才有像影片中那樣直接進入新專案也。
3:1:00 多重剪貼簿
Ctrl+Shift+v 選擇多重貼上——可以選擇剪貼簿中的多重選項以決定貼上哪一個
3:41:00 智能編碼（編程） intellicode
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