bitmask_operations.hpp

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#pragma once
 
#include <mbgl/util/traits.hpp>
#include <mbgl/util/util.hpp>
 
namespace mbgl {
 
template<typename Enum>
MBGL_CONSTEXPR Enum operator|(Enum a, Enum b) {
    static_assert(std::is_enum<Enum>::value, "Enum must be an enum type");
    return Enum(mbgl::underlying_type(a) | mbgl::underlying_type(b));
}
 
template<typename Enum>
MBGL_CONSTEXPR Enum& operator|=(Enum& a, Enum b) {
    static_assert(std::is_enum<Enum>::value, "Enum must be an enum type");
    return (a = a | b);
}
 
template<typename Enum>
MBGL_CONSTEXPR bool operator&(Enum a, Enum b) {
    static_assert(std::is_enum<Enum>::value, "Enum must be an enum type");
    return bool(mbgl::underlying_type(a) & mbgl::underlying_type(b));
}
 
template<typename Enum>
MBGL_CONSTEXPR Enum operator~(Enum value) {
    static_assert(std::is_enum<Enum>::value, "Enum must be an enum type");
    return Enum(~mbgl::underlying_type(value));
}
 
 
} // namespace mbgl