Eval

Metafunction

Eval

Convert from bool values to types (True and False).

Eval<b>::Type

Include Headers

seqan/basic.h

Parameters

b	The boolean to evaluate. Types: bool

Return Values

Either True or False, depending on b.

Examples

Demonstrate the usage of Eval to bridge between bool values and the logical tags.

void printBoolType(True const &)
{
    std::cout << "true" << std::endl;
}

void printBoolType(False const &)
{
    std::cout << "false" << std::endl;
}

int main(int argc, char ** argv)
{
    using namespace seqan;

    printBoolType(Eval<true>::Type());   // => "true\n"
    printBoolType(Eval<false>::Type());  // => "false\n"
    return 0;
}