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Haiyang-coderHaiyang-coder
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cPlusLearn
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7 files changed

+112
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lines changed

‎CppShk.xcodeproj/project.pbxproj‎

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/* Begin PBXBuildFile section */
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FCD7C9E528BCF1BA0074E82B /* main.cpp in Sources */ = {isa = PBXBuildFile; fileRef = FCD7C9E428BCF1BA0074E82B /* main.cpp */; };
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FCE0F50928C0C7B00036C39A /* Functionptr.cpp in Sources */ = {isa = PBXBuildFile; fileRef = FCE0F50728C0C7B00036C39A /* Functionptr.cpp */; };
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/* End PBXBuildFile section */
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/* Begin PBXCopyFilesBuildPhase section */
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/* Begin PBXFileReference section */
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FCD7C9E128BCF1BA0074E82B /* CppShk */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = CppShk; sourceTree = BUILT_PRODUCTS_DIR; };
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FCD7C9E428BCF1BA0074E82B /* main.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = main.cpp; sourceTree = "<group>"; };
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FCE0F50728C0C7B00036C39A /* Functionptr.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = Functionptr.cpp; sourceTree = "<group>"; };
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FCE0F50828C0C7B00036C39A /* Functionptr.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = Functionptr.hpp; sourceTree = "<group>"; };
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/* End PBXFileReference section */
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/* Begin PBXFrameworksBuildPhase section */
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FCD7C9E328BCF1BA0074E82B /* CppShk */ = {
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isa = PBXGroup;
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children = (
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FCE0F50728C0C7B00036C39A /* Functionptr.cpp */,
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FCE0F50828C0C7B00036C39A /* Functionptr.hpp */,
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FCD7C9E428BCF1BA0074E82B /* main.cpp */,
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);
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path = CppShk;
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isa = PBXSourcesBuildPhase;
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buildActionMask = 2147483647;
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files = (
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FCE0F50928C0C7B00036C39A /* Functionptr.cpp in Sources */,
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FCD7C9E528BCF1BA0074E82B /* main.cpp in Sources */,
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);
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runOnlyForDeploymentPostprocessing = 0;

‎CppShk.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings‎

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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>PreviewsEnabled</key>
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<false/>
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</dict>
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</plist>

‎CppShk.xcodeproj/project.xcworkspace/xcuserdata/sunhaiyang.xcuserdatad/WorkspaceSettings.xcsettings‎

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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>BuildLocationStyle</key>
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<string>UseAppPreferences</string>
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<key>CustomBuildLocationType</key>
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<string>RelativeToDerivedData</string>
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<key>DerivedDataLocationStyle</key>
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<string>Default</string>
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<key>IssueFilterStyle</key>
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<string>ShowActiveSchemeOnly</string>
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<key>LiveSourceIssuesEnabled</key>
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<true/>
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<key>ShowSharedSchemesAutomaticallyEnabled</key>
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<true/>
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</dict>
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</plist>

‎CppShk.xcodeproj/xcuserdata/sunhaiyang.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist‎

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<?xml version="1.0" encoding="UTF-8"?>
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<Bucket
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uuid = "65C71704-DD73-48DB-9A02-CECFA2687288"
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type = "1"
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version = "2.0">
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</Bucket>

‎CppShk/Functionptr.cpp‎

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//
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// Functionptr.cpp
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// CppShk
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//
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// Created by 孙海洋 on 2022/9/1.
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//
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#include "Functionptr.hpp"
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#include<iostream>
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double Rick(int lines)
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{
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return lines * 0.05;
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}
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void estimate(int lines, double (*pf)(int))
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{
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std::cout << "您的代码大概用时：" << (*pf)(lines) << std::endl;
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}
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void p1(int n)
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{
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std::cout << "这是p1" << std::endl;
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}
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void p2(int n)
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{
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std::cout << "这是p2" << std::endl;
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}
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void p3(int n)
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{
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std::cout << "这是p3" << std::endl;
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}
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‎CppShk/Functionptr.hpp‎

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//
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// Functionptr.hpp
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// CppShk
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//
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// Created by 孙海洋 on 2022/9/1.
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//
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#ifndef Functionptr_hpp
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#define Functionptr_hpp
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#include <stdio.h>
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double Rick(int lines);
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void estimate(int lines, double (*pf)(int));
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void p1(int n);
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void p2(int n);
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void p3(int n);
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#endif /* Functionptr_hpp */

‎CppShk/main.cpp‎

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//
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#include <iostream>
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#include"Functionptr.hpp"
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using namespace std;
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int main(int argc, const char * argv[]) {
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// insert code here...
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std::cout << "Hello, World!\n";
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estimate(100, *Rick);
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//这个用typedef才能够更好的理解
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typedef void(* Fuc)(int);
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Fuc ptr[3] = { p1, p2, p3};
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for(auto n : ptr)
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{
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n(1);
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}
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// auto ptr = { p1, p2, p3};
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// auto itrater = ptr.begin();
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// while (itrater != ptr.end()) {
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// (*itrater)(1);
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// itrater++;
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// }
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return 0;
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}

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