Передача перечисления в функцию.

Author: gusenov

Diff for: README.md

@@ -33,6 +33,7 @@
 ## Перечисления
 
 - [Scoped и un-scoped перечисления с указанием нижележащего интегрального (целочисленного) типа](syncfusion/cpp_succinctly/EnumSample)
+- [Передача перечисления в функцию](enum/pass-enum-to-function)
 
 ## Объединения
 

Diff for: enum/pass-enum-to-function/.gitignore

@@ -0,0 +1,67 @@
+# ---------------------------------------------------------------------------
+# https://github.com/github/gitignore/blob/master/C++.gitignore
+
+# Prerequisites
+*.d
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+*.smod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app
+
+# ---------------------------------------------------------------------------
+# https://github.com/github/gitignore/blob/master/Global/macOS.gitignore
+
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# ---------------------------------------------------------------------------

Diff for: enum/pass-enum-to-function/main.cpp

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+//---------------------------------------------------------------------------
+// Демонстрация передачи перечисления в функцию.
+//---------------------------------------------------------------------------
+
+#include <iostream>
+
+using namespace std;
+
+// Scoped enumeration:
+enum class Color { Red, Orange, Yellow, Blue, Indigo, Violet };
+
+// Unscoped enumeration:
+enum Flavor : unsigned short int { Vanilla, Chocolate, Strawberry, Mint };
+
+void print(int usi) {
+    cout << "void print(int usi)" << endl;
+    switch (usi) {
+        case Vanilla: cout << "Vanilla" << endl; break;
+        case Chocolate: cout << "Chocolate" << endl; break;
+        case Strawberry: cout << "Strawberry" << endl; break;
+        case Mint: cout << "Mint" << endl; break;
+    }
+}
+
+/*
+// При определении этой функции она возьмет на себя вызов функции:
+// Flavor f = Mint;
+// print(f);
+void print(Flavor& f) {
+    cout << "void print(Flavor& f)" << endl;
+    switch (f) {
+        case Vanilla: cout << "Vanilla" << endl; break;
+        case Chocolate: cout << "Chocolate" << endl; break;
+        case Strawberry: cout << "Strawberry" << endl; break;
+        case Mint: cout << "Mint" << endl; break;
+    }
+}
+*/
+
+int main(int argc, char** argv) {
+    Flavor f = Mint;
+    print(f);
+    // void print(int usi)
+    // Mint
+
+    return 0;
+}

Diff for: enum/pass-enum-to-function/run.sh

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+#!/usr/bin/env bash
+
+EXE_FILE="./program.out"
+
+[ -f "$EXE_FILE" ] && rm "$EXE_FILE"
+
+clang++ --std=c++11 \
+    `find . -name "*.cpp" | tr '\n' ' '` -o "$EXE_FILE" && "$EXE_FILE"