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This makes C++98 and C++11 Better Enums fully compatible by default. If the user defines BETTER_ENUMS_FORCE_STRICT_CONVERSION before including enum.h, it is necessary to prefix enum constants in switch cases with '+', but Better Enums are not implicitly convertible to integers.
39 lines
810 B
C++
39 lines
810 B
C++
// Switch case exhaustiveness checking.
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#include <iostream>
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#include <enum.h>
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ENUM(Channel, int, Red, Green, Blue)
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void respond_to_channel(Channel channel)
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{
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// Try adding an extra case or removing one. Your compiler should issue a
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// warning.
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switch (channel) {
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case Channel::Red:
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std::cout << "red channel" << std::endl;
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break;
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case Channel::Green:
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std::cout << "green channel" << std::endl;
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break;
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case Channel::Blue:
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std::cout << "blue channel" << std::endl;
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break;
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// A redundant case.
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// case 3:
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// break;
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}
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}
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int main()
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{
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respond_to_channel(Channel::Red);
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respond_to_channel(Channel::Blue);
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respond_to_channel(Channel::Green);
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return 0;
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}
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