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add challenge 2 cpp
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‎cpp/02-exercices/Challenge2CsvProcessor/ChallengeInstruction.md‎

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# Challenge instructions for CsvProcessor solution
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## Prerequisites
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1. Open Visual Studio (Preview) 2022
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2. Open the solution `Code\CsvProcessor.sln`
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3. Press F5 to compile and run the solution
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### Observations
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Notice that the console shows multiple lines of a CSV file.
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Each line is broken down into fields. The algorithm correctly handles
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double-quotes fields and escaped double-quotes in fields.
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Sample output:
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```
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Adrienne,,D'Alencourt,987432,adale@acme.com,+33 9 12 45 56 78,Sales,EMEA,105603,1/31/2019,"5'11"""
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[Adrienne] [] [D'Alencourt] [987432] [adale@acme.com] [+33 9 12 45 56 78] [Sales] [EMEA] [105603] [1/31/2019] [5'11"]
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````
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## Step 1: Add comment on file
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1. Open `CsvProcessor.cs` file
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2. Use CTRL+A to select all the content in the file
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3. Type `/doc` to add comments
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### Observations
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A comment is created at the top of the file.
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## Step 2: Use Copilot to explain some code
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1. Open `CsvProcessor.cs` file
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2. Select the two `import` lines towards the top of the file
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3. Type `/explain`
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### Observations
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Copilot explains the purpose of the `import` statements -- a new keyword in C++ 20.
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Copilot also provide additional hyperlinks at the end of the explanation
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for further exploration.
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## Step 3: Let Copilot generate code from a comment
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1. Open `CsvProcessor.cs` file
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2. At the top of the `main` function, place the cusor at the end of the line
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that reads `//TODO3` and press ENTER
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3. Press TAB to accept the suggestion from Copilot
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### Observations
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When you type comments before writing a section of code, Copilot can automatically
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generate the code for you. If you like the suggestion, you can accept it by pressing TAB.
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If not, keep typing and Copilot will continue to suggest code.
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That way, Copilot integrates seemlessly with your workflow.
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## Step 4: Add comments to a block of code
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1. Open `CsvProcessor.cs` file
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2. In the `main` function, select the entire `for` loop.
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Hint: You can press the Down arrow in the margin to "roll in" the loop
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in one line, then select the entire line
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3. Tell Copilot to "add comments to the selected code"
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### Observations
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Copilot comments each meaningful block of code. This is a great way to
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document existing code, or to help you understand code that you didn't write.
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## Step 5: Create automated tests
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1. Open the Test Explorer window by selecting the menu item `View` > `Test Explorer`
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2. Run the tests by right-clicking on `LexerTest` and selecting `Run` in the context menu
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3. Open `LexerTest.cpp` file 4. Uncomment the lines `TEST_METHOD(...)` one by one and press ENTER to let Copilot generate the test code for you 5. Compile with F6 and run all tests again6. Create additional test methods with meaningful names in order to guide Copilot
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### Observations
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Copilot generates the test code based on several assumptions. In most cases,
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the generated test code passes. However, you may need to adjust the test code
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for edge cases or to test specific scenarios.
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## Step 6: Create more automated tests
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1. Open the Test Explorer window by selecting the menu item `View` > `Test Explorer`
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2. Run the tests by right-clicking on `ParserTest` and selecting `Run` in the context menu
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3. Open `ParserTest.cpp` file 4. Uncomment the lines `TEST_METHOD(...)` one by one and press ENTER to let Copilot generate the test code for you 5. Compile with F6 and run all tests again6. Create additional test methods with meaningful names in order to guide Copilot

‎cpp/02-exercices/Challenge2CsvProcessor/code/CsvProcessor.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.11.34929.205
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "CsvProcessor", "CsvProcessor\CsvProcessor.vcxproj", "{4F188729-348D-436C-97B5-1E83682B6F17}"
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EndProject
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{9690C094-7CB0-4454-A7A4-0164AC57141F}"
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ProjectSection(SolutionItems) = preProject
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Employee.csv = Employee.csv
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EndProjectSection
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EndProject
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "LexerTest", "LexerTest\LexerTest.vcxproj", "{40362D05-1A0E-4CA7-B56A-B12E656054EF}"
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EndProject
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ParserTest", "ParserTest\ParserTest.vcxproj", "{0F6227BA-7641-4D7C-92B0-AE72405E0DB1}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|x64 = Debug|x64
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Debug|x86 = Debug|x86
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Release|x64 = Release|x64
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Release|x86 = Release|x86
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{4F188729-348D-436C-97B5-1E83682B6F17}.Debug|x64.ActiveCfg = Debug|x64
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{4F188729-348D-436C-97B5-1E83682B6F17}.Debug|x64.Build.0 = Debug|x64
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{4F188729-348D-436C-97B5-1E83682B6F17}.Debug|x86.ActiveCfg = Debug|Win32
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{4F188729-348D-436C-97B5-1E83682B6F17}.Debug|x86.Build.0 = Debug|Win32
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{4F188729-348D-436C-97B5-1E83682B6F17}.Release|x64.ActiveCfg = Release|x64
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{4F188729-348D-436C-97B5-1E83682B6F17}.Release|x64.Build.0 = Release|x64
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{4F188729-348D-436C-97B5-1E83682B6F17}.Release|x86.ActiveCfg = Release|Win32
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{4F188729-348D-436C-97B5-1E83682B6F17}.Release|x86.Build.0 = Release|Win32
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{40362D05-1A0E-4CA7-B56A-B12E656054EF}.Debug|x64.ActiveCfg = Debug|x64
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{40362D05-1A0E-4CA7-B56A-B12E656054EF}.Debug|x64.Build.0 = Debug|x64
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{40362D05-1A0E-4CA7-B56A-B12E656054EF}.Debug|x86.ActiveCfg = Debug|Win32
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{40362D05-1A0E-4CA7-B56A-B12E656054EF}.Debug|x86.Build.0 = Debug|Win32
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{40362D05-1A0E-4CA7-B56A-B12E656054EF}.Release|x64.ActiveCfg = Release|x64
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{40362D05-1A0E-4CA7-B56A-B12E656054EF}.Release|x64.Build.0 = Release|x64
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{40362D05-1A0E-4CA7-B56A-B12E656054EF}.Release|x86.ActiveCfg = Release|Win32
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{40362D05-1A0E-4CA7-B56A-B12E656054EF}.Release|x86.Build.0 = Release|Win32
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{0F6227BA-7641-4D7C-92B0-AE72405E0DB1}.Debug|x64.ActiveCfg = Debug|x64
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{0F6227BA-7641-4D7C-92B0-AE72405E0DB1}.Debug|x64.Build.0 = Debug|x64
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{0F6227BA-7641-4D7C-92B0-AE72405E0DB1}.Debug|x86.ActiveCfg = Debug|Win32
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{0F6227BA-7641-4D7C-92B0-AE72405E0DB1}.Debug|x86.Build.0 = Debug|Win32
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{0F6227BA-7641-4D7C-92B0-AE72405E0DB1}.Release|x64.ActiveCfg = Release|x64
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{0F6227BA-7641-4D7C-92B0-AE72405E0DB1}.Release|x64.Build.0 = Release|x64
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{0F6227BA-7641-4D7C-92B0-AE72405E0DB1}.Release|x86.ActiveCfg = Release|Win32
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{0F6227BA-7641-4D7C-92B0-AE72405E0DB1}.Release|x86.Build.0 = Release|Win32
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {E911D580-46E9-4E93-9849-ABE6599C5831}
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EndGlobalSection
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EndGlobal

‎cpp/02-exercices/Challenge2CsvProcessor/code/CsvProcessor/CsvProcessor.cpp‎

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// CsvProcessor.cpp : This file contains the 'main' function. Program execution begins and ends there.
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//
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//TODO1: Use /doc to document the file.
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#include <iostream>
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#include <fstream>
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#include <filesystem>
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#include <format>
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#include <string>
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//TODO2: Select the next two import lines and use /explain.
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import Lexer;
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import Parser;
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namespace fs = std::filesystem;
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int main(int argc, char* argv[])
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{
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// Check number of arguments. At least a file name is required, several file names are supported.
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//TODO3: Press ENTER after this comment and let Copilot generate the code for you.
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//TODO4: Select the entire for loop and tell Copilot to "add comments to the selected code".
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for (int pos = 1; pos < argc; pos++)
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{
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std::string_view filename = argv[pos];
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if (!fs::exists(filename))
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{
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std::cout << std::format(R"(WARNING: File "{}" does not exist. Skipping...)", argv[pos]) << std::endl;
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continue;
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}
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if (fs::is_directory(filename))
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{
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std::cout << std::format(R"(WARNING: "{}" is a directory. Skipping)", argv[pos]) << std::endl;
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continue;
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}
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std::ifstream file(argv[pos], std::ios::in);
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if (!file.is_open())
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{
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std::cout << std::format(R"(WARNING: Could not open file "{}")", argv[pos]) << std::endl;
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continue;
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}
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std::string line;
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while (std::getline(file, line))
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{
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std::cout << line << std::endl;
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Parser parser(line);
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while (parser.NextField())
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{
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std::cout << std::format("[{}] ", parser.Value());
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}
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std::wcout << std::endl;
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if (parser.Error())
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{
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std::cout << std::format("ERROR: {}", parser.ErrorMessage()) << std::endl;
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}
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std::cout << std::endl;
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}
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file.close();
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}
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return 0;
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}
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‎cpp/02-exercices/Challenge2CsvProcessor/code/CsvProcessor/CsvProcessor.vcxproj‎

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<?xml version="1.0" encoding="utf-8"?>
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<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<ItemGroup Label="ProjectConfigurations">
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<ProjectConfiguration Include="Debug|Win32">
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<Configuration>Debug</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Release|Win32">
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<Configuration>Release</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Debug|x64">
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<Configuration>Debug</Configuration>
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<Platform>x64</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Release|x64">
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<Configuration>Release</Configuration>
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<Platform>x64</Platform>
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</ProjectConfiguration>
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</ItemGroup>
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<PropertyGroup Label="Globals">
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<VCProjectVersion>17.0</VCProjectVersion>
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<Keyword>Win32Proj</Keyword>
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<ProjectGuid>{4f188729-348d-436c-97b5-1e83682b6f17}</ProjectGuid>
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<RootNamespace>CsvProcessor</RootNamespace>
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<WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>true</UseDebugLibraries>
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<PlatformToolset>v143</PlatformToolset>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>false</UseDebugLibraries>
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<PlatformToolset>v143</PlatformToolset>
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<WholeProgramOptimization>true</WholeProgramOptimization>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>true</UseDebugLibraries>
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<PlatformToolset>v143</PlatformToolset>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>false</UseDebugLibraries>
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<PlatformToolset>v143</PlatformToolset>
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<WholeProgramOptimization>true</WholeProgramOptimization>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
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<ImportGroup Label="ExtensionSettings">
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</ImportGroup>
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<ImportGroup Label="Shared">
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<PropertyGroup Label="UserMacros" />
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<OutDir>$(SolutionDir)$(PlatformTarget)\$(Configuration)\</OutDir>
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<IntDir>$(PlatformTarget)\$(Configuration)\</IntDir>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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<OutDir>$(SolutionDir)$(PlatformTarget)\$(Configuration)\</OutDir>
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<IntDir>$(PlatformTarget)\$(Configuration)\</IntDir>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<OutDir>$(SolutionDir)$(PlatformTarget)\$(Configuration)\</OutDir>
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<IntDir>$(PlatformTarget)\$(Configuration)\</IntDir>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<OutDir>$(SolutionDir)$(PlatformTarget)\$(Configuration)\</OutDir>
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<IntDir>$(PlatformTarget)\$(Configuration)\</IntDir>
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</PropertyGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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<LanguageStandard>stdcpp20</LanguageStandard>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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<LanguageStandard>stdcpp20</LanguageStandard>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<EnableCOMDATFolding>true</EnableCOMDATFolding>
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<OptimizeReferences>true</OptimizeReferences>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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<LanguageStandard>stdcpp20</LanguageStandard>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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<LanguageStandard>stdcpp20</LanguageStandard>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<EnableCOMDATFolding>true</EnableCOMDATFolding>
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<OptimizeReferences>true</OptimizeReferences>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</ItemDefinitionGroup>
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<ItemGroup>
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<ClCompile Include="CsvProcessor.cpp" />
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<ClCompile Include="Lexer.ixx" />
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<ClCompile Include="Parser.ixx" />
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</ItemGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
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<ImportGroup Label="ExtensionTargets">
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</ImportGroup>
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</Project>

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