boost/libs/safe_numerics/example/example18.cpp
2022-12-15 23:45:23 +08:00

19 lines
447 B
C++

#include <boost/safe_numerics/safe_integer.hpp>
#include <boost/safe_numerics/safe_integer_literal.hpp>
using namespace boost::safe_numerics;
int f(int i){
return i;
}
template<intmax_t N>
using safe_literal = safe_signed_literal<N, native, loose_trap_policy>;
int main(){
const long x = 97;
f(x); // OK - implicit conversion to int
const safe_literal<97> y;
f(y); // OK - y is a type with min/max = 97;
return 0;
}