Florent Le Coz
ccebe901d7
Handle conversion errors properly by inserting � instead. Add a binary header to provide portable way to write binary literals (I like them) Also add a test file. ref #2404
17 lines
506 B
C++
17 lines
506 B
C++
#ifndef BINARY_INCLUDED
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# define BINARY_INCLUDED
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template<char FIRST, char... REST> struct binary
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{
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static_assert(FIRST == '0' || FIRST == '1', "invalid binary digit" );
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enum { value = ((FIRST - '0') << sizeof...(REST)) + binary<REST...>::value };
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};
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template<> struct binary<'0'> { enum { value = 0 }; };
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template<> struct binary<'1'> { enum { value = 1 }; };
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template<char... LITERAL> inline
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constexpr unsigned int operator "" _b() { return binary<LITERAL...>::value; }
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#endif // BINARY_INCLUDED
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